“How to Win Friends and Influence People” by Dale Carnegie
“How to Work a Room” by Susan Roane
“Cracking the Communication Code” by Dr. Emerson Eggerichs
“The Art of Seduction” by Robert Greene
“The 33 Strategies of War” by Robert Greene
“Mastery” by Robert Greene
“The Confidence Game: Why we Fall for it…Every Time” by Maria Konnikova
Any book which teaches body language! Amy Cuddy is the best!