Some more fun links to books.
Getting Things Done: Great book on organizing. Best tip: Labels and file folders make getting rid of the pile of things on your desk a lot easier.

The Success Principles: Lots of familar principles; put together in an easy to read format.

Cryptonomicom: Fantastic book about World War II, hacking, and cryptology! Even better if you have a vacation coming up, since it's 1100 pages.