Hacking Exposed was good. I'm thinking of picking up the wireless book. Its an easy read because its broken down into the different steps of a pen test, and then broken down further into tools/vectors. For someone like me who fits reading in here and there and not in big chunks, I could break it down easily and not have to stop mid thought.
Hacking: Art of Exploitation
Currently reading Reversing: Secrets of Reverse Engineering.