How to Make a Puzzle Book That Sells on Amazon KDP

How to Make a Puzzle Book That Sells on Amazon KDP

Puzzle books are one of the friendlier corners of self-publishing. You don’t need to write a novel, you don’t need a following, and people buy them as gifts all year round.

But there’s a big difference between making a puzzle book and making one that sells. Amazon is full of puzzle books nobody buys: plain word searches with generic covers, sitting at the bottom of search results.

This guide walks through how to make a puzzle book properly, from choosing a format with real demand to the cover, the listing and the bit most people skip, which is turning one book into a series with readers who come back.

Step 1: Choose a Format People Keep Buying

The format decides more than anything else. Some puzzle types are crowded and cheap. Others have readers who actively hunt for the next book.

Before you build anything, ask three questions:

  • Do readers buy more than one? Some formats are a one-off purchase. Others, like logic-grid whodunits, create readers who finish a book and look for the next case.
  • Is there room to be better? If every book in the format looks the same, a noticeably better-looking one stands out.
  • Is it a good gift? Gift buyers are a huge part of the puzzle market, especially around Christmas, Mother’s Day and Father’s Day.

Search Amazon for the format you’re considering. Look at how many results there are, what the covers look like, and whether the top books have several volumes. A format where the bestsellers are on Volume 3 or 4 is telling you readers come back.

Step 2: Build the Interior

This is where most people either give up or cut corners. A good puzzle book interior needs:

  • Puzzles that actually work. Every puzzle must have exactly one solution. A logic puzzle with two possible answers gets one-star reviews.
  • Clear instructions. A short “how to play” section, ideally with a worked example, so nobody gets stuck on page one.
  • A difficulty curve. Either one clear level, or a progression from easy to hard.
  • An answer key. The best ones explain the solution, not just state it.
  • Correct print specs. The right trim size, margins and page count for KDP.

You can do this by hand in design software, but checking every puzzle for a unique answer is slow and easy to get wrong. That’s why most serious puzzle publishers use a generator or builder for the interior and spend their own time on the cover, the listing and the marketing.

Whatever tool you use, order a printed proof before you publish. Fine grid lines and small text can look perfect on screen and cramped on paper.

Step 3: Make a Cover That Works at Thumbnail Size

Shoppers mostly see your cover as a tiny thumbnail in a search grid, often on a phone. So design for that, not for a big monitor.

A puzzle book cover needs to say four things at a glance:

  1. The genre in plain words, such as “Murder Mystery Logic Puzzles”.
  2. The quantity, such as “50 Cases”.
  3. The difficulty, such as “Easy to Hard”.
  4. What makes it different, such as “Fully Illustrated”.

Use one strong image rather than a collage, high contrast, and no more than two fonts. Test it by shrinking it to the width of your thumb. If you can’t tell what kind of book it is in two seconds, neither can a shopper.

Two practical KDP points. First, build the cover last, on KDP’s own cover template, because the spine width depends on your final page count. KDP only prints spine text on books with more than 79 pages. Second, if you use AI to create cover art, KDP requires you to disclose AI-generated content, including cover images, when you publish.

Step 4: Write a Listing Amazon Can Find

The listing is how Amazon decides which searches to show your book in. It has five parts.

Title and subtitle

Let the title be charming and the subtitle be useful. “Murder at Thornbury Hall” is a nice title. “50 Illustrated Murder Mystery Logic Puzzles for Adults, Easy to Hard, With Full Solutions” is the subtitle that gets found.

One rule matters a lot in this niche: KDP’s metadata guidelines don’t allow unauthorised references to other titles or authors. However famous the bestseller in your format is, keep its name out of your title, subtitle, series name and keywords.

Keywords

KDP gives you seven keyword boxes. Use them for seven different routes to your book: the audience, the gift buyer, the format, the theme, the season. Don’t repeat words already in your title, and don’t use other authors’ names, “bestseller” or anything untrue.

The easiest way to find good phrases is to type the start of a search into Amazon’s search box and note the suggestions it gives you.

Categories

Since 2023 KDP lets you choose up to three categories per format. Use one obvious category, one adjacent one and one narrower one where a new book has a better chance of being seen.

Description

Keep it short and scannable: a hook question, a short paragraph on what’s inside, five bullet points, and a closing line. Every claim in it should be true of the book.

Step 5: Plan a Series, Not a Book

This is the step that changes the numbers. One book has to find a new buyer every time. A series gives each happy reader somewhere to go next.

Plan your series in two directions:

  • Themes: a country house volume, a seaside volume, a Christmas volume. Themes give gift buyers a reason to pick a particular book.
  • Difficulty: a starter edition, a classic edition and an expert edition. Difficulty gives finished readers a reason to buy the next one.

Keep the cover design consistent across the series, use KDP’s Series name field (series name only, no volume numbers), and put a “the case files continue” page at the back of every book pointing to the others.

Time each volume for the gift calendar. Print-on-demand books need time to go live, get indexed and be delivered, so aim to be live several weeks before Christmas, Mother’s Day or Father’s Day, not on the week itself.

Step 6: Build a Reader List

When someone buys your book on Amazon, you get a royalty and nothing else. No name, no email, no way to tell them about Volume 2.

The fix is simple. Put a page at the back of every book offering a free bonus, such as a few extra puzzles, by email. Link it to a one-page sign-up form with a QR code and a short web address. Then set up a short welcome sequence and tell your readers first whenever a new book comes out.

Two rules to follow from day one. Get clear consent for marketing emails (UK GDPR and PECR in the UK, CAN-SPAM in the US). And never link the freebie to a review, because Amazon prohibits offering anything in exchange for reviews.

Guilty by Deduction: What It Does

If the format you’ve chosen is illustrated whodunit logic puzzles, one tool is worth knowing about. Guilty by Deduction is a browser-based builder from Kate Riley’s Puzzle Arsenal team that creates the complete interior of a whodunit puzzle book.

Every case is a crime scene spread across two facing pages: three suspects, three items and three locations, each on its own illustrated card, with the clues and a deduction grid. You choose murder, theft or a mix, and Easy, Medium, Hard or Progressive difficulty, in books of up to 200 cases.

The parts that matter most to a publisher:

  • Every case is checked by the builder for exactly one answer.
  • The answer key explains each solution step by step.
  • It includes a two-page How to Solve guide and an optional solved first case.
  • You can rename cases, houses and victims, rewrite intros and swap suspects, and the builder re-checks the case each time.
  • It exports print-ready PDFs for KDP in three trim sizes (8.5 x 11, 8 x 10 and 6 x 9), or 300 DPI PNG pages for Etsy.
  • It’s a one-time payment, and the books you create are yours to publish and sell.

My Verdict

What I like about Guilty by Deduction is that it takes on the genuinely hard part of this format. Writing logic-grid cases where every one has exactly one answer is slow, fiddly work, and the illustrated spreads are something most self-publishers simply couldn’t produce by hand. I know Kate personally, and she was a successful author for a long time before AI tools came along, which shows in how the product is put together.

Two things to be clear about. It builds the interior, not the cover, so you’ll still need to make one. And the sales page leans on royalty estimates for the biggest books in the niche. Those are estimates for famous titles, not a prediction for a new book. Treat the tool as a way to make a better product faster, and do the cover, listing and series work properly.

It’s $27, one-time, during the launch, which closes on Friday 13 November.

My Bonuses

If you buy Guilty by Deduction through my link, I’ll send you three bonus reports that cover the parts the builder leaves to you:

  1. The Whodunit Cover & Listing Kit: cover rules, KDP specs, AI cover prompts, titles, the seven keyword boxes, categories and a description template.
  2. The Case File Series Plan: series models, 12 volume themes, a difficulty ladder and a dated 2026–27 gift calendar.
  3. The Reader List Builder for Puzzle Publishers: a bonus-case lead magnet, the back-of-book invitation page, a welcome sequence and the consent rules.

See the full bonus details here →

Frequently Asked Questions

Do I need design skills to make a puzzle book?

Not for the interior if you use a builder. For the cover, a tool like Canva plus some AI-generated artwork is enough for many publishers, as long as you test the result at thumbnail size and follow KDP’s cover template.

Do I have to disclose AI on KDP?

KDP requires you to disclose AI-generated content, which includes text, images and translations created by an AI tool, including cover images. AI-assisted content, where you created the work and used AI to edit or refine it, doesn’t need disclosing. Check KDP’s current content guidelines before you publish.

How many puzzles should a puzzle book have?

Enough to feel like good value at your price, and enough pages for spine text if you want it (more than 79 pages on KDP). Many publishers offer a smaller starter edition and a larger “big book” edition of the same series.

Can I sell puzzle books on Etsy as well as Amazon?

Yes, as printable downloads, if the tool you use allows it and you follow Etsy’s own rules. Guilty by Deduction exports 300 DPI PNG pages specifically for Etsy.

Can I use a famous puzzle book’s name in my keywords?

No. KDP’s metadata guidelines don’t allow unauthorised references to other titles or authors in your title, subtitle or keywords, and listings that break the rules can be rejected or suppressed.

Disclosure: this post contains affiliate links. If you buy through them I may earn a commission at no extra cost to you. I only recommend things I think are genuinely useful, and I’ve said plainly below where the limits are.

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