Online proofreaders A current Book Bolt review covering keyword and product research, Studio, puzzles, AI book creation, listing tools, pricing, KDP policy issues, and how it compares with KDP Rank Fuel.
“Ghost category” is author shorthand, not an official KDP status. Learn how to check whether a category is relevant, visible, current, and useful before replacing one of your three selections.
A practical KDP listing optimization guide covering title and subtitle, description, seven keyword boxes, three categories, listing consistency, Read Sample, audits, and post-change tracking.
Amazon search can use keywords, book details, and book text, but Amazon does not publish an A10 semantic-copy formula. Learn how to separate search metadata from reader-focused listing copy.
The 249-byte backend-search-term rule belongs to Seller Central, not KDP books. Learn how the seven KDP keyword boxes work, what Amazon recommends, and how to use them without wasting space.
Amazon does not publicly document a KDP seller-authority score. Learn what Amazon actually says affects search visibility, what KDP tracks for quality and compliance, and what authors should monitor instead.
A current K-lytics review covering genre reports, category data, Premium and Elite memberships, pricing, strengths, limitations, and when market intelligence is worth paying for.
Helium 10 can work with book ASINs, but KDP authors should weigh its strong keyword, tracking, and advertising tools against seller-focused features and premium pricing.
An evidence-based Publisher Rocket review for 2026 covering keyword research, Competition Analyzer, categories, Reverse ASIN, Amazon Ads research, international markets, pricing, and who should buy it.
Publisher Rocket and KDP Rank Fuel overlap on KDP research but follow very different workflows. Compare pricing, keyword research, categories, competitor tools, listings, tracking, ads, and marketplace coverage.
Your cover wins the click. Read Sample is where the book itself has to earn the sale.
External traffic can move book sales, but Amazon does not publish a special ranking bonus for off-Amazon clicks. Here’s what you can measure.
Amazon shoppers can now ask for books in ordinary language. Here’s what that changes for KDP metadata, reviews, and product pages.
Amazon never published an A9-to-A10 KDP formula. Here’s what really changed, what still matters, and which ranking claims remain guesswork.
KDP publishing gets messy when every tool tells you something different. Rank Fuel brings the evidence together so the next decision is clearer.
Amazon’s search system is not a published formula. Here’s what KDP actually tells authors to optimize, and what remains speculation.
Publishing on KDP is easy. Publishing the exact version you meant to publish takes a better checklist.
Audiobook publishing has changed fast. The route you choose now can reshape your royalties, reach, rights, and launch plan.
Low-content books look simple. Publishing them well takes a little more thought. Here’s what matters.
Format children’s books for KDP correctly: fixed vs reflowable ebooks, reading age, print images, bleed, typography, trim choices, covers, and proofing.
Compare Vellum, Atticus, Kindle Create, Microsoft Word, and Adobe InDesign for KDP ebooks and print books, including current pricing, strengths, limits, and best-fit workflows.
Format KDP chapter headings and scene breaks consistently across print and ebook editions, including typography, ornaments, page starts, and nonfiction section breaks.
Build professional KDP front and back matter: title and copyright pages, TOC, dedication, epigraph, acknowledgments, review requests, author bio, and series links.
Build reliable KDP eBook navigation and accurate print tables of contents using heading styles, tested links, final page numbers, and format-specific QA.
Prepare images for KDP print and Kindle using current guidance on effective resolution, color, bleed, accessibility, file size, and final proofing.
Find out exactly why — and how to fix it. Free seven-chapter guide, instant access.
The KDP Fix is on its way.