I want to decide the title and the chapters of my book myself instead of letting the AI decide. How?

From version 1.9.18, click "New Book", describe your topic, and in the card "Plan my book with me" press "Start planning" (about fifteen minutes, optional). BookyAI works with you like an editor, in six steps: the promise of the book (what it is about, who it is for, what changes for the reader, what the book is not), the title (three options you can edit), the chapters in order (rename, move, add, remove), chapter by chapter (what each must include and leave out, and which of your own stories is told there), the voice, and the facts that must stay exact. At each step it makes a proposal. You can change any field by hand, or ask for a change in your own words, such as "merge chapters 3 and 4". Nothing enters the plan until you press "Agree". On the right, your blueprint fills in as you go; click a part to change it again. At the end press "Use this blueprint for my book": the form is filled from it, and the book is written from that plan exactly.