Hacking the art of exploitation //very good
The shellcoders handbook //probably the best book, this really covers everything in only 644 pages
Exploiting software how to break code
Reversing: Secrets of Reverse Engineering //very good, shows a dissection of a bot worm caught in the wild
Hacker Debugging Uncovered (Uncovered series)
Hacker Disassembling Uncovered //very good, teaches you the subtle difference between different compilers.