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The book you want to write.
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We research it, source every number, and write the whole book.

0 unsourced numbers·A 5-chapter book in about 9 minutes·No card to start
Sources

Tap a number
to see where it came from.

For every chapter we research the web first and build fact cards. A number that isn't on a card doesn't get written, and the finished text is checked against the sources again.

In 2025 Shenzhen's robotics industry produced 242.6 billion yuan, up 20.56% and the most of any Chinese city.1 Of the 16,000 humanoid robots installed worldwide that year, 4,224 came from a single company, Unitree.2
Source 1Matches the source
Shenzhen robotics output in 2025: 242.6 billion yuan, first among Chinese cities
news.cn · Xinhua
Writing The K-Food RevolutionArrives 3:12 PM
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Research, writing and editing all run on our servers. See which chapter is being written and when it will arrive, then get an email or text when it lands.

Pricing

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  • ✓Chapter 1 research cards and sources
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A manuscript you can send to a publisher or self-publish.
  • ✓Up to 75,000 words
  • ✓Sentence-by-sentence fact re-check report
  • ✓Uses your own material (PDFs, notes, talks)
  • ✓30 chapter rewrites
  • ✓EPUB · print PDF · cover options
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A complete sourced draft you polish yourself.
  • ✓Up to 50,000 words
  • ✓Research per chapter · every number sourced
  • ✓Editing pass for repeats and contradictions
  • ✓10 chapter rewrites
  • ✓DOCX · Markdown · cover options
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Questions

Does a book really take minutes?

A 5-chapter, 15–18 section manuscript took 8–10 minutes from research to edit. A 75,000-word book takes around 30 minutes. Close the tab — we keep writing and tell you when it's done.

What if a number is wrong?

We only write numbers that are on a research card. Tap any footnote to see its source. Publish-ready adds a report that re-checks every sentence against the sources.

Won't it sound like AI?

We write in the voice you choose and the editing pass removes AI clichés and repeats between chapters. Read a sample book and judge for yourself.

I want to write my own story. Can I?

Memoirs and essays built on your own experience can't be researched on the web. A 'My story' mode that writes only from your interview answers and your material is coming soon.

Can it write in Korean too?

Yes. Start in Korean and we research Korean sources and write in Korean. You can also add a second-language edition.

What you know,
as a sourced book.