How to Spot a Liar Why People Don't Tell the Truth and How You Can Catch Them
How to Spot a Liar is the first book that gives you the tools to figure out what's really going on: to gain the upper hand in salary negotiation, to move a prospective client toward the outcome you desire, to find out why you need to end a business or personal relationship ... even to know when to bluff or call a bluff during a friendly (or not-so-friendly) poker game.