Is There a KDP Best Sellers List? What Actually Exists
There is no KDP best sellers list. Learn to read Amazon Best Sellers Rank honestly and research a category by hand, plus a free BS…
Most "best low content niches" posts are guesses dressed up as a trend report. We don't hold Amazon's sales data — nobody outside Amazon does, since Amazon publishes no per-title sales feed and no public bestseller list by exact units. What we can give you is a method: pick a category that's structurally suited to low content publishing, size an idea with real math instead of a hunch, and check the title before you commit to it.
A low content book is one where the interior is templated and repeatable rather than hand-written prose. That covers a narrower set of categories than most lists imply:
These categories work because the interior scales without a book's worth of original prose — not because we're telling you any one is trending.
Pick one of the categories above before you pick a theme. The category determines how you'll produce the interior; the theme is the easy part you add afterward.
Combine format, audience and occasion instead of guessing at a "hot" niche: a crossword book for trivia fans on a road trip, a math worksheet set for a specific grade level, a weekly planner sized for a teacher's gradebook. These illustrate how the combination works — they're not claims that any of them currently sell well.
The only public sales signal Amazon exposes is Best Sellers Rank (BSR) — a relative rank, not a unit count. Pull the BSR from a handful of comparable listings in your category and run each one through our free Amazon BSR to Sales Calculator to get a ballpark daily-sales range. That range is an estimate built from public BSR numbers you supply, not proprietary data we hold — we don't have a database of "what sells." The calculator does the math; you still have to go find the comparables.
Before you commit to a title, run it through the USPTO's free trademark search at tmsearch.uspto.gov — no account needed. This isn't legal advice, and a clean search result isn't clearance; it's a first filter, not a guarantee. If you'd rather not do the search manually every time, Octozia's Trademark Checker does the same lookup from inside your workflow.
KDP paperback royalty is (royalty rate × list price) − printing cost. On the Amazon sales channel in the US, the rate is 50% at or below a $9.98 list price and 60% from $9.99 up — there's no separate "royalty plan" to pick the way there is for ebooks (a real, unrelated 35%/70% choice); your paperback rate is just set by which list-price band you land in.
Printing cost (US, black ink) for a regular trim (6.12in wide or less, 9in high or less) is a flat $2.30 for 24–110 pages, then $1.00 + $0.012 per page above that. Large trim is a flat $2.84 for 24–110 pages, then $1.00 + $0.017 per page. A 144-page 8.5×11 book costs $1.00 + (144 × $0.017) = $3.45 to print; at $9.99 list, royalty is $5.994 − $3.45 = $2.55 per copy. Trim to 110 pages and the flat rate applies instead: $5.994 − $2.84 = $3.15 per copy. Run your own numbers through the free KDP Royalty Calculator and KDP Printing Cost Calculator before you finalize a page count.
Expanded Distribution is a separate, free-to-enroll option for paperback only (hardcover isn't eligible): a flat 40% of list price minus printing cost, reaching bookstores, libraries and academic institutions through US and UK distributors — with no guarantee it generates any orders.
Publishing itself has no upfront cost. Amazon deducts the printing cost per unit sold; there's no listing fee. Your real costs are an optional ISBN (KDP provides a free one), any proof copies (print cost plus shipping), and your own time and tools.
KDP Creator generates the seven puzzle types above — sudoku, word search, maze, math, number-fill, crossword, word scramble — as a ZIP of numbered, 300-DPI PNG pages plus a MANIFEST.txt. There's no PDF output; you assemble the interior file yourself before uploading it to KDP. If you want to see puzzle formats before generating your own, the free printable library has sample pages by theme and audience with no account required.
If you've read our print-on-demand niches guide, that's a different product: print-on-demand apparel, mugs and stickers on Redbubble and TeePublic, not KDP book interiors. This article is about finding and pricing a KDP book idea; that one is about platform-specific tag and upload rules for a printed design. Building on the apparel side too? Our RedBubble and TeePublic uploaders are built for that workflow.
No. Use the method above instead — category, angle, BSR-based sizing, trademark check — on your own comparables.
Low content books have some generated or templated content in the interior — puzzles, planner grids, coloring pages. "No content" usually means journals or notebooks that are just blank or lined pages. Prompted journals sit in between, depending on how much prompt text is on each page.
No. KDP provides a free ISBN if you publish under Amazon's imprint. You'd only buy your own to put a different publisher name on record or to distribute outside KDP.
It's free and paperback-only, paying a flat 40% of list price minus printing cost through bookstore, library and academic channels, with no guarantee of orders. There's little downside to enrolling — just don't count on it as a sales channel when you're sizing the idea.
No. A search at tmsearch.uspto.gov is a useful first filter, not legal clearance — it doesn't account for unregistered common-law marks or pending applications not yet indexed. Treat it as risk reduction, not a guarantee.