> I used to have to read fan wikis to figure this out.

I would much rather read a fan wiki than hope a LLM correctly understood a book's plot, at least with the current state-of-the-art of things.

Case in point: Amazon's own AI gets significant details of its own prestige TV show wrong:

https://gizmodo.com/fallout-ai-recap-prime-video-amazon-2000...

The Fallout fan wiki probably at least knows the Great War was in 2077.