"Ask HN" threads are much more appropriate for book recommendations. Imagine if every book in the threads below were submitted- we'd have a bunch of noise and no real discussion.

Submissions like this are only useful for people too unmotivated to Google for "SICP".

http://news.ycombinator.com/item?id=240628

http://news.ycombinator.com/item?id=85840

http://news.ycombinator.com/item?id=193308

http://news.ycombinator.com/item?id=80845

http://news.ycombinator.com/item?id=127711

http://news.ycombinator.com/item?id=56618

http://news.ycombinator.com/item?id=156137

http://news.ycombinator.com/item?id=45082

http://news.ycombinator.com/item?id=41532

http://news.ycombinator.com/item?id=136875