Your description sells the book. Here’s how to write it.
After the cover wins the click, the description makes the sale — it's the only salesperson your book gets, working every hour the store is open. Here's its anatomy, the formula, and the mistakes that quietly cost sales.
The anatomy
| The hook (lines 1–3) | Everything above Amazon's 'Read more' fold. A question, a bold claim, or the story's central tension — never throat-clearing ('In this book, you will…'). |
|---|---|
| The body | Nonfiction: what the reader will be able to do, as benefit bullets. Fiction: the setup and the stakes — stop before the spoiler. |
| The proof | One line of credibility: credentials (nonfiction) or comparison titles (fiction). |
| The close | Tell them to act: 'Start reading today.' Corny, measurable, effective. |
The formula, worked
Nonfiction: Problem → Promise → Proof → Path → Push. Name the reader's pain, promise the transformation, show why you can deliver it, preview the method, ask for the purchase. Fiction: Character → Disruption → Stakes → Question. Introduce someone worth caring about, break their world, raise what's at risk, and leave the question the book answers unanswered.
The quiet killers
Summarising instead of selling (a description is not a synopsis); burying the hook under warm-up sentences; writing one long block (white space is a conversion tool); keyword-stuffing until it reads robotic (stores index metadata fields for that); and never testing — descriptions can be rewritten anytime, and a book that gets views without sales is usually a description problem, not a book problem. It's also a service we offer inside publishing packages, where it's called metadata optimisation and does double duty in search.
Asked and answered
How long should my book description be?
150–250 words for most books. Amazon shows roughly the first three lines before the fold — they carry the whole hook, so write them last and hardest.
Should I use bullet points or paragraphs?
Nonfiction: short hook paragraph, benefit-led bullets, call to action. Fiction: atmospheric paragraphs only — bullets flatten tension.
Should I include my credentials in the description?
Nonfiction: yes, one line near the end. Fiction: comparison titles ('for readers of…') work harder than credentials.
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