Just tried searching for ChatGPT, also for LLM, on Amazon. Hundreds of results (relevant books).

I tried this because of seeing publications on Google Scholar - https://scholar.google.com/scholar?hl=en&as_sdt=0%2C16&q=author%3AChatGPT&btnG=

This search on Arxiv turns up over 1500 results: https://arxiv.org/search/?query=ChatGPT&searchtype=all&source=header