Youbooks
AI book-writing tool that drafts long non-fiction manuscripts up to 300K words from your sources in your own trained voice.
What it does
Youbooks is an AI system for producing full-length non-fiction books. Users can upload research sources and optionally train a custom 'Human model' on their own writing samples, then the AI runs a multi-step research, drafting, and refinement process to generate publish-ready chapters.
How to use: To use Youbooks, describe the subject of your non-fiction book and provide your email address. The system then generates the book, which you can download in various formats. Premium options allow for custom sources and styles.
Core features
Drafts up to 300,000-word manuscripts from uploaded sources
Optional custom voice training from 20K-200K words of writing samples
Multi-model brainstorming using several leading LLMs together
Multi-pass refinement and coherence checks across chapters
Export to DOCX, EPUB, Markdown, or RTF
Credit-based monthly subscription with unlimited projects
Best for
→Entrepreneurs and professionals turning expertise into a published book
→Authors wanting a long-form draft grounded in their own research
→Writers who want AI output to match their personal voice
→Publishers producing non-fiction content at scale
Pricing
Fan: €9.97/month (200K credits/month)
Pro: €24.97/month (500K credits/month)
Enterprise: €199.97/month (700K credits/month)
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