Here are just some of the books I have reviewed and, more accurately, re-read while preparing Brilliant Persuasion. I have purchased all these books and suggest they will be valuable additions to your library and future studies.
Bowden, M. (2010) Winning Body Language: Control the Conversation, Command Attention, and Convey the Right Message Without Saying a Word, McGraw-Hill
Caldini, R. (2009) Influence: The Psychology of Persuasion, HarperCollins
Corah, M. (2012) The Persuader: How To Use Emotional Persuasion to Win More Business, Bookshaker
Hogan, K. and Speakman, J. (2006) Covert Persuasion: Pyschological Tactics and Tricks to Win the Game, John Wiley & Sons
Lakhani, D. (2005) Persuasion: The Art of Getting What You Want ...