BOOK
Ami Otsuka publishes Claude Code Without Writing Code on Amazon
Author and app developer Ami Otsuka (representative of Hundreds LLC) publishes her book コードを書かない Claude Code ― 資料も、外注も、納品も。会社の仕事はAIに任せられます on Amazon on September 5, 2026. The publisher is Hundreds LLC. It comes out in two formats, paperback and Kindle, both on September 5, 2026. The Kindle edition has been open for pre-order as of September 2, 2026.
The book is a record of the year in which Otsuka, who runs her company alone, handed Claude Code the everyday work of that company: preparing documents, placing orders with contractors, revising documents delivered to clients, social media, and deciding which commissioned jobs to take. Each of the sixteen chapters ends with a section titled "In your environment," giving one concrete first step per chapter. The text contains no programming.
The appendix sorts 41 things that went wrong in operation into six patterns, so a reader can go from a symptom to its cause.
The book runs to roughly 200 pages in A5 format. It is written for owners running a company on their own, freelancers, and small businesses where the reader signs off on decisions themselves.
LinksAmazon（ペーパーバック）Amazon（Kindle版）
- The paperback was not yet listed on Amazon as of September 2, 2026 (measured: it appears neither in the format selector, nor in an ISBN search, nor on the author page). It is registered with KDP for the same release date of September 5, 2026. The purchase link will be added once it appears.
About Ami Otsuka
Author and app developer; representative of Hundreds LLC. Starting in October 2023, while a student at Chuo University, she built an app a day with ChatGPT for 100 consecutive days and posted each one to X, a record published as #100 Days Challenge: I Built 100 Apps in 100 Days and My Life Changed (Nikkei BP, 2025). Named to Forbes JAPAN's Women In Tech 30 in 2026. She is now based in Thailand, writing, speaking and building apps.
