AI book writing software that finishes your novel
Wake up to a
finished book.
Tell BookWriter your idea and approve the outline. Co-Writer v2 drafts, checks, and polishes each chapter. Your title, cover, and Chapter 1 are free. Finish up to 70,000 words for $9.99.
Don't take our word
104,000 words. 34 chapters. Zero human-written sentences after the outline.
A national bestselling author signed Wives and Girlfriends of Kingpins — a 400-page novel this platform finished from a brain dump and an approved outline. Read every page free and find the seam.
Read the whole novel freeHow the night shift works
1. Tell it your story (5 minutes).
Your idea, your title, your cover — with your name on it.
2. Approve the outline.
A chapter-by-chapter plan you sign off on before a single word is drafted.
3. Let Co-Writer v2 finish the draft.
It drafts, checks continuity, repairs specific passages, and polishes every chapter. Chapter 1 is free; one finished book up to 70,000 words is $9.99.
One price. One promise.
Free: your title, your cover, and Chapter 1 — polished.
$9.99: one finished, KDP-ready book up to 70,000 words.
Books over 70,000 words use two Book Credits.
Start my book freeNot ready for a book? Steal our tools.
All free tools →Free, no signup — the same engines that write the books.
Questions, answered
What do I get for free?
Your title, your cover, and Chapter 1 — polished. No credit card, no trial clock. If you stop there, all three are yours to keep.
What does the $9.99 include?
One finished book up to 70,000 words: every remaining chapter drafted, checked for continuity, and polished, with KDP-ready files when it is done. Books over 70,000 words use two Book Credits. This is not a subscription.
Do I own the book?
Yes. Your idea, your name on the cover, your manuscript. You own the finished book and every exported file, and you can publish it anywhere — including Amazon KDP.
How long will my book be?
One Book Credit covers up to 70,000 finished words. Books over 70,000 words use two credits. You set the direction and approve the chapter-by-chapter outline before drafting begins. The proof novel on this site, Wives and Girlfriends of Kingpins, runs 104,000 words across 34 chapters — read every page free.
Do I have to disclose AI use on Amazon KDP?
Amazon KDP asks whether a book contains AI-generated content, and honest disclosure is required. BookWriter walks you through exactly what to declare — see our KDP AI disclosure guide for the specifics. Read the disclosure guide.