Are you aware of this thread? It seems more effective to consolidate advice about textbooks to a single thread, since textbooks are less time-dependent and less subject to short-term fads that even other kinds of informational, non-fiction media.
I'm aware of it, but it's buried. There seem to be enough people on Less Wrong who consume textbooks in an extracurricular fashion that it could be worth having semi-frequent discussions on the subject. Perhaps not every month (hence why I wasn't sure the media thread was the best place for it), but also perhaps more than once every two or three years.
This is the monthly thread for posting media of various types that you've found that you enjoy. Post what you're reading, listening to, watching, and your opinion of it. Post recommendations to blogs. Post whatever media you feel like discussing! To see previous recommendations, check out the older threads.
Rules: