Now any limits on how much of the book you can copy are irrelevant, since you can LLM yourself a brand new book by paying MS a few bucks and somehow there is no copyright violation in that process...
What do you mean, can you ask chatGPT to write the contents of of some book, and it would just regurgitate them?
No I mean prompt a sufficiently capable LLM based on what you wanted to read, chances are the LLM was trained on that book
Not exactly, but you can work with the AI to recreate a book asking about the topics and from there asking how to explain them one by one in the context of the book application