To get the truth from someone, you need two sets of skills. The first are the interpersonal skills necessary to get the facts. But the second group of skills is equally if not more important: they enable you to assess whether the facts actually fit together--whether they are true--and identify the e[...]

This work is a comprehensive guide that covers the pros and cons of all the sports performance supplements currently available in stores, as well as their natural alternatives. It provides athletes and coaches with the information they need to evaluate performance-enhancing products.[...]

Ever caught a spouse, business partner, parent, boss, or child brazenly lying? What if you could tell someone was lying, just by listening and observing? Let decorated military interrogator Gregory Hartley show you how to do it.
"How to Spot a Liar" was the first book to give you the tools to fi[...]