Best books and articles on body language, plus mistakes to eliminate

What are the best books/articles about body language? Thanks.

Check out the stickies in the mens section!

Also check this out: The Definitive Book of Body Language (Amazon.com: The Definitive Book of Body Language: The Hidden Meaning Behind People's Gestures and Expressions: 9780553804720: Pease, Barbara, Pease, Allan: Books)
And Kevin Hogans at wwwkevinhogan.com but $$$$$