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Guides

Short answers to the questions people ask before they make a lead magnet or publish a nonfiction ebook.

  1. Double opt-in: what it is and why your list needs it Double opt-in asks a new subscriber to confirm by email before joining your list. What it protects, what the law asks for, and what it costs you in sign-ups.
  2. Ebook cover sizes, store by store (2026) One 1,600 × 2,560 pixel JPEG covers most ebook stores. The cover rules of KDP, Apple Books, Kobo, Google Play, Draft2Digital and Gumroad, with sources.
  3. How long should a lead magnet be? Long enough to keep one promise in one sitting. Word and page targets by goal and reader, how reading speed changes them, and how to tell when yours is too long.
  4. How to deliver a lead magnet: page, gated download or email Three ways to get a lead magnet to the person who asked for it: an email tool, a gated download or a page. What each one costs you, and how to test it.
  5. How to design an ebook without a designer Choose the format first, then make a few choices and repeat them: type, spacing, one accent color and a cover that survives being small. Numbers to aim for, with sources.
  6. How to fact-check an AI-drafted book List every claim a reader could check, then trace each to a source you opened yourself. Where AI drafts go wrong, what to check first, and what to do when you can’t confirm one.
  7. How to make a workbook for your course Turn each module’s outcome into an exercise students complete, in lesson order, with room to write. Which exercises help people remember, and which format to deliver.
  8. How to price a short ebook on KDP, Gumroad and your own site How KDP’s royalty bands, Gumroad’s fee and card fees on your own site turn a list price into what one sale leaves. The arithmetic, with no promises about sales.
  9. How to turn a newsletter archive into a book Export the archive, choose one theme, drop issues tied to their week, and group the rest into chapters. How to export from Substack, beehiiv and Ghost, and what to cut.
  10. How to turn blog posts into an ebook Choose posts that answer one question, order them as a path, and rewrite the joins. What to fix in each post, the rights to check, and what KDP Select means for your blog.
  11. How to turn your book into a LinkedIn carousel Take one chapter, not the whole book: a hook, one point per slide, a takeaway and the book at the end. Then post it as a PDF. LinkedIn's limits, checked and dated.
  12. How to write a lead magnet people actually read Promise one result to one named reader, deliver it early, and end on one next step. How to write the promise, the title, the opening and the headings of a lead magnet.
  13. How to write in your own voice with AI Show the AI samples of your writing, give it rules it can follow, feed it your own stories, and edit every chapter. What works, and what voice matching doesn't change.
  14. KDP AI disclosure: AI-generated vs AI-assisted, in Amazon’s own words KDP asks you to declare AI-generated text, images and translations, but not AI-assisted content. Amazon’s wording, and how to apply it to a book that mixes both.
  15. KDP’s two-titles-per-week limit: what changed and what to do Since 21 September 2026, Amazon KDP allows two new titles per format each week. What the limit counts, when it resets, and how to plan around it.
  16. Lead magnet landing page: what to put on it The six things a lead magnet landing page needs, what to leave out, and how to write the line under the form. Sources for the form and consent advice.
  17. Lead magnet vs workbook vs ebook: which should you make? A lead magnet earns an email address, a workbook gets the reader doing the work, and an ebook teaches a subject in depth. How to choose by what the reader should do next.
  18. Paperback vs ebook for nonfiction: which to publish When a nonfiction book should be an ebook, a paperback or both. What each costs per copy on KDP, the page minimum, the price rules, and how the two affect each other.
  19. PDF vs EPUB: which your readers need A PDF keeps fixed pages and an EPUB reflows to fit the screen. Which to give readers for a lead magnet, a workbook or a store, and what KDP, Apple and Kindle accept.
  20. Self-publishing checklist for a nonfiction ebook Everything to finish before you publish a nonfiction ebook on KDP: manuscript, files, cover, listing, and the decisions on exclusivity, price and AI disclosure.

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