Most AI writing tools help with a page or chapter. Nellie creates the whole book. Start with an idea and generate a complete, editable book with connected chapters, illustrations, and a custom cover. Create novels, children’s books, comics, manga, textbooks, courses, and more, then turn your work into an audiobook or export it as PDF or EPUB. Built for anyone who wants to go from blank page to finished book without juggling a stack of AI tools.