@shiri @arstechnica no (publicly available) OpenAI GPT model has the context to read an entire book (max is GPT-4 32k, which isn't enough for a book). There are summarization tricks but that's not the same thing and requires additional specialized software like LangChain. Further, according to the source article which you didn't read:

> Then she typed: "Does [book] describe a sex act?" plugging in a book title, and waited for the answer.

https://www.desmoinesregister.com/story/news/education/2023/08/16/iowa-school-district-uses-chatgpt-ai-to-answer-if-41-books-have-sex-acts/70598610007/

An Iowa school official needed to know if 42 books contained sex. She asked ChatGPT for help

A Mason City Community School District administrator enlisted AI to help follow a new Iowa law banning books that depict sex.

The Des Moines Register