The Baroque Cycle - Neal Stephenson - It was 3000+ pages all told, and I LOVED it. His writing has always enthralled me, and I was hooked from the start
Every Discworld Novel - Terry Pratchett - Not much can be said that hasn't already been said a million times over. If you haven't read them yet, start now
The Theory of Poker - David Sklansky - Helped out my poker game tremendously. I'm much more ev+ now