Begin anywhere
Start with a sentence, a question, an outline, or an imported manuscript.
A private room for serious imagination.
Discover, draft, revise, remember, and prepare your book in one calm place—guided by an adaptive writing partner, never a generic content machine.
Your manuscript remains yours You approve every change AI that remembers the book
Not another prompt box
A writing practice, held together.
Write in conversation
Ask naturally. The writing partner understands whether you need prose, structure, reader response, or continuity.
Keep the whole book present
The Book Brain maps chapters, approved canon, research, notes, and the earlier passages that matter now.
Choose your room
Make space for the work.
Choose annual and receive two months free. Paid plans begin with a 14-day trial. Cancel from your billing room at any time.
Find the book worth writing
A quiet place to begin, with enough guidance to discover whether the room is right for your work.
Freeto begin
Enter The Foyer- One active work
- Private editor, notes and research
- A small monthly writing allowance
- A first cover or interior image
- Export your work anytime
Finish the manuscript
The complete private studio for a serious book: writing partner, Book Brain, editorial room, and art direction together.
$24/ month, billed yearly
$288/year · or $29/monthStart 14-day trial- Unlimited works
- Book Brain and approved canon
- Generous included writing capacity
- 15 image or cover creations
- Versions, import and publishing readiness
Build a body of work
For writers working at professional pace across several manuscripts, with room for extensive drafting and revision.
$49/ month, billed yearly
$588/year · or $59/monthStart 14-day trial- Everything in Author
- Expanded included writing capacity
- 50 image or cover creations
- Deep Book Brain capacity
- Priority access to the editorial room
Every plan includes private cloud storage, isolated author libraries, and exports that remain yours. Your writing is never used to train our models.