ObClassicCmp:
<http://www.oreilly.com/openbook/>
A few handy older books there, like the TeX one and the Unix Text
Processing book.
Cool, there are a couple books there I wouldn't mind 'thumbing' through.
Though that TeX book is one of exactly two O'Rielly books I've purchased
that I considered to be a waste of money. It's more of a catalogue than a
manual.
Zane