Writing as someone who is always on the look out for new book suggestions, I was intrigued to come across Ron Watters's Best book lists of outdoor literature. This includes lists covering UK and US climbing as well more general outdoor books.
First in line is Tony Astill's Top 100 British Mountaineering Books. Last time I mentioned this it was still a work in progress but now seems to be fixed. More about Astill on Les Alpes Livres. Watters also includes the reading list for an Outdoor Literature Class he teaches at Idaho State Universtity. Sounds like a fine way to spend a few months.