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How to write an Amazon book description that converts

By the create-ebook team · Updated 2026-09-15

Amazon gives you 4,000 characters under the buy button. Most authors use them to summarise the book. Buyers do not want a summary; they want to know if the book is for them and what they will get. A description that converts answers those two questions in the first three lines, then proves it.

The first line

Only the first two or three lines show before “Read more” on mobile. Put the reader’s situation there, in bold: “You have three months to launch, no marketing budget, and a product nobody has heard of.” If the reader nods, they keep going. If the first line is “In this book, you will discover…”, they leave.

A structure for non-fiction

  1. Hook: the reader’s situation or the question they typed into Amazon. One or two lines, bold.
  2. Promise: what they can do after reading. One line.
  3. Inside: four to six bullets, each a concrete thing they get (a method, a checklist, a number, a case).
  4. For whom: one line naming the reader, one line naming who should not buy.
  5. Why you: one sentence of credibility. Experience beats credentials.
  6. Call to action: “Read the first chapter free with Look Inside” or “Start today.”

A structure for fiction

Character, want, obstacle, stakes, in that order, in two short paragraphs, stopping before the twist. A one-line tagline in bold on top. A last line that names the genre and the promise: “A slow-burn mystery for readers of …”. Comparisons to known authors are fine if honest.

HTML that KDP accepts

Bold, italic, line breaks, unordered and ordered lists, and headings (h4 to h6) work. Paste the tags into the description field or use the formatting buttons. Keep paragraphs to two or three lines: the description is read on a phone. No links, no images.

Template

<b>[Reader’s situation in one line.]</b>

[What changes after reading, one line.]

Inside:
<ul>
<li>[Concrete thing 1]</li>
<li>[Concrete thing 2]</li>
<li>[Concrete thing 3]</li>
<li>[Concrete thing 4]</li>
</ul>

Written for [reader]. Not for [who should skip it].

[One sentence on why you can write this.]

[Call to action.]

Keywords in the description

Amazon indexes the description. Use the words buyers type, naturally, once or twice: “balcony vegetable garden”, “freelance bookkeeping”. Do not list keywords; a description that reads like a tag cloud converts worse and can be flagged.

Frequently asked questions

How long should the description be?

150 to 300 words. Long enough for the bullets, short enough to scan on a phone.

Can I change it after publishing?

Yes, at any time from the KDP bookshelf. Changes go live in a few hours. Test two versions a month apart.

Should I include reviews or quotes?

A short editorial quote at the top works if it is real. Customer reviews already show below; do not paste them.

Can AI write it?

Yes, and well: give it the plan of the book and the reader, ask for three versions with this structure, then edit the first line yourself.

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