{"id":7992,"date":"2026-07-14T14:16:57","date_gmt":"2026-07-14T12:16:57","guid":{"rendered":"https:\/\/booksfactory.pl\/blog\/how-to-design-a-book-cover-proven-approaches\/"},"modified":"2026-09-29T11:55:45","modified_gmt":"2026-09-29T09:55:45","slug":"how-to-design-a-book-cover-proven-approaches","status":"publish","type":"post","link":"https:\/\/booksfactory.pl\/blog\/how-to-design-a-book-cover-proven-approaches\/?lang=en","title":{"rendered":"How to design a book cover \u2014 proven approaches"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-1024x768.jpg\" alt=\"Book cover design &#x2013; a graphic designer&#x2019;s desk with a monitor, colour swatches, a graphics tablet and a sketch of the cover layout.\" class=\"wp-image-7893\" srcset=\"https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-1024x768.jpg 1024w, https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-300x225.jpg 300w, https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-768x576.jpg 768w, https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">A cover works faster than a blurb, a recommendation or an author&#8217;s note. The reader does not know the content yet, does not know whether the writing style suits them, has not looked at the table of contents \u2014 and yet already feels something. They may think: &#8222;this looks interesting&#8221;, &#8222;this is probably not for me&#8221;, &#8222;this book looks serious&#8221;, &#8222;this publication looks amateurish&#8221;. Those few seconds can decide whether the book gets a chance at all.<br\/><br\/>This is why a cover should never be treated as decoration glued on at the end of the work. It is the first message we send to the reader. It speaks about the genre, the mood, the quality of the edition and the promise the publication carries. A well-designed cover does not have to shout. It does not have to imitate a film poster or bury the reader in symbols. It has to be legible, coherent and true to the subject.<br\/><br\/>In this guide I will show you<strong>how to design a book cover<\/strong>so that it attracts attention without looking accidental\u2014where to start, what to avoid and why a single strong idea sometimes works better than the most elaborate composition.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>Book cover design: meaning first, image second<\/h2>\n\n<p class=\"wp-block-paragraph\">The most common mistake in cover design? Starting with the question: &#8222;what should the artwork show?&#8221;. It is better to take a step back and ask: &#8222;what should the reader understand at first glance?&#8221;.<br\/><br\/>A crime novel calls for a different cover than a psychology guide, a poetry collection or a cookbook. Every genre has its own visual language. Crime fiction can work with tension, shadow, contrast and understatement. A practical guide should inspire trust and bring order to its subject. Contemporary fiction often plays with emotion, light, colour or a single detail. Fantasy can afford stronger illustration, but it still needs a composition that does not tire the eye.<br\/><br\/>Good <strong>book cover design<\/strong> begins with understanding the content. You need to know what the book is about, who it speaks to and what it promises. Only then do you choose the graphic style, the colours, the photograph, the illustration, the typeface and the layout.<br\/><br\/>It is worth asking yourself a few questions:<\/p>\n\n<ul class=\"wp-block-list\">\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Can you tell the genre from the cover?<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Is the title legible at a small size as well?<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Does the artwork support the content instead of competing with it?<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Does the design look coherent across the front, the spine and the back cover?<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Does the cover have one clear idea, or is it trying to say everything at once?<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">That last question is often the most useful one. Authors frequently want to fit the whole book onto the front: the protagonist, the setting, an important object, a symbol of transformation, a motif from the ending and the atmosphere of the period on top of that. The result rarely impresses. A cover that is too literal stops being intriguing. A cover that is overloaded stops being legible.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>A cover should promise, not summarise<\/h2>\n\n<p class=\"wp-block-paragraph\">A cover is not a synopsis. It does not have to show every important thread or explain the whole story. Its job is to create an invitation. It should point the reader in the right direction: &#8222;there is tension here&#8221;, &#8222;this one will be light and warm&#8221;, &#8222;this one gives you knowledge explained clearly&#8221;, &#8222;a story with a dark tone is waiting here&#8221;.<br\/><br\/>That is why <strong>cover design<\/strong> is an exercise in selection. Instead of adding another element, it is often better to keep one and remove the rest. A single detail can work harder than an elaborate scene. A closed door, a cracked cup, a red coat on an empty street, a fragment of a map, a handwritten sign, a shadow behind a window\u2026 each of these motifs can spark curiosity if it is well matched to the content.<br\/><br\/>Space works in a similar way. Empty space on a cover does not mean dullness. It can build elegance, tension, silence or distance. It lets the title breathe, and it keeps the reader&#8217;s eye from getting lost in excessive detail. This matters especially in online sales, where the cover usually appears as a small thumbnail. What looks rich at full size can turn into an illegible smudge once scaled down.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>The title has to be designed, not merely typed in<\/h2>\n\n<p class=\"wp-block-paragraph\">Typography is often underrated, and yet it frequently decides the quality of the first impression. The title should not look as though it had been added to a finished image by accident. Letters are part of the design. They have rhythm, weight, style and character. They can build tension, lightness, elegance, energy or austerity.<br\/><br\/>A thriller calls for a stronger, more decisive typeface. A practical guide for a simpler and highly legible one. A romance for something softer, though not excessively ornamental. Poetry allows greater subtlety, although reading comfort still matters.<br\/><br\/>The title should be visible from a distance and in thumbnail form. This matters, because the reader may see the book on a shelf, in a bookshop catalogue, in a Facebook post, in an advertisement, on a phone or in a recommendation sent by a friend. If the title disappears once the cover is scaled down, the design loses its power.<br\/><br\/>Be careful with fonts that are overly ornamental, too thin, too jagged or fashionable for a single season only. They sometimes look attractive in the first preview, but they quickly tire the eye. Good typography does not have to show off. It should help the reader read the title and sense the tone of the book.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>How to choose colours for a book cover<\/h2>\n\n<p class=\"wp-block-paragraph\">Colour is one of the first signals the reader receives. Even before they read the title, they can sense whether the book promises to be dark, calm, cheerful, elegant, intimate or intense. This is why the question of <strong>how to choose colours for a book cover<\/strong> is worth treating not as a matter of taste, but as a decision about communication.<br\/><br\/>There is no single palette that suits every publication. Colours should follow from the genre, the mood and the reader. Deep navy, black, burgundy or a cool green can support a thriller, a work of reportage or a book with a more serious tone. Pastels are more often associated with lightness, calm, close relationships and everyday life. Yellow and orange catch the eye, but used without restraint they can look far too loud. White gives an impression of clarity and breathing space, though it demands a precise composition.<br\/><br\/>Colour also has to work together with the typography. Even the most interesting palette will not help if the title blends into the background. Contrast is needed not only for the sake of aesthetics, but also for legibility. Limiting the number of colours works well. Two or three considered colours often produce a stronger effect than a broad mixture without any clear order.<br\/><br\/>When choosing the colour scheme, it is also worth checking how the cover looks on different screens and in print. A monitor can boost saturation; paper can calm it down. What looks fresh on screen may become too dark or muted once printed. This is why professional cover preparation should account not only for the idea itself, but also for the technical conditions of printing.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>Where and how to prepare a cover file for print?<\/h2>\n\n<p class=\"wp-block-paragraph\">Once you have the idea, the technical question remains: where to prepare the cover and what kind of file to produce.<br\/><br\/>Our <a href=\"https:\/\/booksfactory.eu\/index.php?cPath=78_79\" data-type=\"link\" data-id=\"https:\/\/booksfactory.eu\/index.php?cPath=78_79\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline;\">cover template generator<\/span><\/a> is a good starting point. You enter the key parameters there: the inside block trim size (in millimetres, without bleeds), the binding type, the number of black-and-white and colour pages, and the type and weight of the paper. The tool calculates the spine width automatically\u2014you do not have to work it out yourself.<br\/><br\/>On that basis the generator produces a two-page PDF template: the first page holds the technical information (with the bleed, the margin, the safe print area, the spine and the guide lines marked), the second is a &#8222;clean&#8221; cover template, ready to be imported into your graphics software. You can also download a link with the parameters and pass it on to your designer.<br\/><br\/>Before you send the cover to print, prepare the file in line with a few technical requirements:<\/p>\n\n<ul class=\"wp-block-list\">\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">The best format is PDF (recommended), but we also accept TIFF.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">The file should be in CMYK, with embedded fonts and a resolution of at least 300 DPI.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">The colour standard is Coated FOGRA 39, and for greyscale elements \u2014 Gray Gamma 1.8 or 2.2.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">One last thing to remember: before you send the file to print, remove the template with the guide lines from it.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>Artwork: photograph, illustration or typography?<\/h2>\n\n<p class=\"wp-block-paragraph\">Not every book needs a photograph. Not every book needs an illustration. Some covers work best through typography and colour alone. The choice of form should follow from the content, not from habit.<br\/><br\/>A photograph can be a good solution when you want a sense of closeness, authenticity or a specific place. It works well for biographies, reportage, practical guides, contemporary fiction and cookbooks. Stock photography, however, calls for caution. A photograph that is too obvious can instantly undermine the credibility of the design. A smiling person with a laptop, a couple watching the sunset, a pensive woman by a window. Such motifs are repeated so often that they stop saying anything at all.<br\/><br\/>Illustration offers more freedom. It can build the world of the book from scratch, show a metaphor, create a unique style. It suits children&#8217;s literature, fantasy, poetry, essays and publications that want to stand out with a more distinctive visual language. Restraint is needed here too. An illustration should be matched to the reader and to the tone of the book, not merely beautiful in itself.<br\/><br\/>Sometimes the best <strong>artwork for a book cover<\/strong> is a symbol, a detail or an abstract form. A minimalist cover with strong typography can look more professional than a design built on a random photograph. This is particularly true when the book is expert, essayistic or instructional in character.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>What should appear on the cover?<\/h2>\n\n<p class=\"wp-block-paragraph\">The front cover usually carries the title, the author&#8217;s name and a graphic element. Sometimes a subtitle appears, along with a short note about the genre, a recommendation or the mark of a publishing series. That does not mean, however, that every one of these elements has to be equally strong.<br\/><br\/>Hierarchy matters. The reader should know immediately what to look at first. Most often the title is the most important element. If the author is a bestselling name, their surname may carry more weight. If the book belongs to a series, the recurring elements need attention \u2014 without depriving each volume of its own character.<br\/><br\/>The back cover needs designing as well. It is not a place for a description and a barcode pasted in at random. The text should be legible, well divided and arranged so that it encourages further contact with the book. The spine matters too, especially in a bookshop and on a home bookshelf. It has to be legible, consistent with the front and correctly prepared for the thickness of the book.<br\/><br\/>This is precisely why <strong>creating a book cover<\/strong> covers the whole, not just its front. The front attracts attention, the back helps the reader decide, and the spine does its work when the book stands among other titles.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>How to make a book cover that does not look amateurish?<\/h2>\n\n<p class=\"wp-block-paragraph\">The question of <strong>how to make a book cover<\/strong> tends to come up when an author is preparing a publication on their own, or is only just considering working with a designer. Whichever route you take, a few principles are worth knowing \u2014 they improve the quality of a design straight away.<\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Do not start with effects. Shadows, glows, textures, frames and filters will not rescue a weak composition. Layout first, ornament afterwards \u2014 if it is needed at all.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Mind the margins. Text must not be stuck to the edge. Graphic elements need room to breathe. You also have to allow for the bleed, that is the area extending beyond the trim line, which is cut away during trimming. It lets the background and the artwork reach the very edge even if the blade shifts by a fraction of a millimetre. This is something different from the safety margin (the safe print area) \u2014 the zone inside the format where you place the title and the important elements so that they are not trimmed off. A missing bleed is one of the most common technical mistakes.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">If your design is already finished, you can use the &#8222;Cover file&#8221; field in our generator and upload the artwork to check whether it fits a book with the parameters you entered.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Check the thumbnail. Simply scale the cover down to the size shown in any online shop. If the title and the general mood of the design are still there, you are closer to a good result. If everything blurs together, the composition needs simplifying.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\">Do not copy other authors&#8217; covers. You need inspiration, but copying a layout, colours and motifs can make your book look like a cheaper version of something already known. It is better to analyse why a particular cover works and then find your own solution.<\/li>\n<\/ol>\n\n<ol start=\"3\" class=\"wp-block-list\"><\/ol>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>What exactly is a professional book cover?<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>A professional book cover<\/strong> does not simply mean a &#8222;pretty&#8221; cover. <a href=\"https:\/\/youtu.be\/asnNSsr9T7w?si=_gbsCdz3sjyMRrpY\" data-type=\"link\" data-id=\"https:\/\/youtu.be\/asnNSsr9T7w?si=_gbsCdz3sjyMRrpY\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline;\">Every element should serve a defined purpose<\/span><\/a>, build the right associations with the content and attract the attention of the right reader. The design has to look good both on screen and in print.<br\/><br\/>It is also worth remembering that a cover works among the covers of other publications. The book will compete for attention on a bookshop page, on social media, in a catalogue, in advertising and on a shelf. Before approving a design, it is therefore a good idea to place it next to a dozen or so titles in the same category. Not in order to imitate them, but to check whether the cover stands out and has an element that makes it memorable.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>The most common mistakes in cover design<\/h2>\n\n<ul class=\"wp-block-list\">\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\"><strong>An overloaded design<\/strong> \u2014 too many photographs, symbols, colours and typefaces create chaos.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\"><strong>Motifs that are too literal<\/strong>\u2014 obvious symbols are easy to read, but often predictable.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\"><strong>A mismatch with the genre<\/strong> \u2014 a cover can be attractive and still mislead the reader.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\"><strong>Weak typography and hierarchy<\/strong> \u2014 a small title, low contrast, too many fonts or a random layout all reduce legibility.<\/li>\n\n\n\n<li style=\"margin-right:var(--wp--preset--spacing--50);margin-left:var(--wp--preset--spacing--50)\"><strong>Technical mistakes<\/strong> \u2014 missing bleeds, the wrong format, a badly prepared spine, low-resolution artwork or a file saved in RGB instead of CMYK can make correct printing impossible.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>A proven way of working on a cover<\/h2>\n\n<p class=\"wp-block-paragraph\">It is best to start with a short brief. It is enough to describe the genre of the book, the target readers, the mood, the key motifs, a few associations and the covers that serve as good points of reference. Material of this kind helps you avoid accidental decisions.<br\/><br\/>Next, it is worth deciding on the visual direction. Should the cover be minimalist, illustrative, photographic, typographic, elegant, austere, warm, bold? Without that decision it is easy to jump between ideas and lose coherence.<br\/><br\/>The next stage is the composition. You establish the arrangement of the title, the author, the artwork and the remaining elements. Only then do you refine the colour, the details and the technical preparation. Finally, you check the design in several situations: as a large preview, as a thumbnail, against other books, and as a full spread covering the front, the spine and the back. At this stage it is worth reaching for the cover template generator, which will produce a technically correct template for your format, binding and paper.<br\/><br\/>Working on <strong>a book cover<\/strong> in this way lets you avoid decisions made purely &#8222;by eye&#8221;. The design can still be creative, but it is not accidental.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><a><\/a>A cover should help the book get noticed<\/h2>\n\n<p class=\"wp-block-paragraph\">A good cover will not do the content&#8217;s job for it. It will not replace a strong title, a good description or a well-crafted book. It can, however, make the reader stop in the first place. And that is the first step towards every decision that follows.<br\/><br\/>If you are wondering how to design a book cover, it is worth keeping a simple principle in mind: the cover should match the book, be legible to the reader and be appealing within its genre. It does not have to please everyone. It should reach the people who may genuinely become interested in that particular publication.<br\/><br\/>The best designs do not come from a random combination of a nice photograph, a fashionable font and the author&#8217;s favourite colour, but from careful reading of the content, an understanding of the reader and conscious visual decisions.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A good cover does not summarise the book \u2014 it gives the reader a reason to stop. See how to combine your ideas, typography, colour and print requirements into one coherent, professional design.<\/p>\n","protected":false},"author":2,"featured_media":7993,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[93,77],"tags":[],"class_list":["post-7992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","category-printing"],"rttpg_featured_image_url":{"full":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg",1200,900,false],"landscape":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg",1200,900,false],"portraits":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg",1200,900,false],"thumbnail":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-150x150.jpg",150,150,true],"medium":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-300x225.jpg",300,225,true],"large":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02-1024x768.jpg",1024,768,true],"1536x1536":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg",1200,900,false],"2048x2048":["https:\/\/booksfactory.pl\/blog\/wp-content\/uploads\/2026\/08\/32_Jak_zaprojektowac_okladke_k_1200x900_02.jpg",1200,900,false]},"rttpg_author":{"display_name":"Gabriel Augustyn","author_link":"https:\/\/booksfactory.pl\/blog\/author\/gaugustyn\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/booksfactory.pl\/blog\/category\/guides\/?lang=en\" rel=\"category tag\">Guides<\/a> <a href=\"https:\/\/booksfactory.pl\/blog\/category\/printing\/?lang=en\" rel=\"category tag\">Printing<\/a>","rttpg_excerpt":"A good cover does not summarise the book \u2014 it gives the reader a reason to stop. 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