The 48 Laws of Power by Robert Greene
Interesting read. It gives great insight on how to control how others perceive and treat you. This seems to be Obama's "campaign for victory" road map. He has applied all of the laws flawlessly.
Emotional Vampires: Dealing With People Who Drain You Dry by Albert Bernstein
This is a MUST-READ to survive these crazy people out here! This MUST be in your collection. Don't pass this one up.