Free Writing Tools

Book Blurb Builder: Write Your Back Cover Copy

A great blurb answers four questions: who is this about, what changes, what stands in the way, and what’s at stake. Fill in the blanks and your blurb builds itself as you type. The grey example text shows how each piece fits, but it is never inserted into your draft. Fill in the required fields before copying, then polish the wording.

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How to polish your book blurb

✓Lead with your character, not your world. Readers buy a book because they want to follow someone.
✓Never give away the ending. A blurb sells the question, not the answer.
✓Match the tone of your genre. A cozy mystery blurb should feel warm, and a thriller blurb should feel urgent.
✓Need a title to go with it? Try the book title generator.

Frequently asked questions

How does the Book Blurb Builder work?

Fill in the blanks about your character, what changes, what stands in the way and what’s at stake. Your blurb builds itself as you type, and empty required fields appear as bracketed reminders. Copying is enabled when you complete them. The closing line is optional.

How long should a book blurb be?

The tool shows a live word count. Most blurbs run 100 to 200 words, so add detail when you polish your draft.

Is my blurb saved?

Your answers are saved in your own browser, so they’re still there when you return on the same device. The tool does not send these entries to Book Nerdection. Copy your blurb before you clear your browser data.

Blurb ready? Launch is close.

Check off every step with our book launch checklist, and get early reviews lined up through our review services for authors.