Robert's Rules in Plain English by Doris Zimmerman
Robert's Rules basically tell you how to run meetings. They should make everyone learn that stuff in high school. I really like this book, they totally break down the whole parliamentary procedure thing.

Smart Feller Fart Smeller and Other Spoonerisms by Jon Agee
Coolest part of this book? The pictures! What did the picky eater say about dinner? I refuse to eat parrots and keys. Jon Agee is awesome!