I've read it 4 times, and people keep pointing out hidden gems I hadn't noticed. Hofstadter has a remarkably complex sense of humour! (e.g. http://en.wikipedia.

I've read it 4 times, and people keep pointing out hidden gems I hadn't noticed. Hofstadter has a remarkably complex sense of humour! (e.g. http://en.wikipedia.org/wiki/Egbert_B._Gebstadter http://en.wikipedia.org/wiki/Egbert_B._Gebstadter) Although GEB is, IMHO, his best work, Metamagical Themas is, although a compilation of previous Scientific American stuff, absolutely brilliant!