Spy the Lie: Former CIA Officers Teach You How to Detect Deception

Surrounded by Idiots Revised & Expanded Edition: The Four Types of Human Behavior and How to Effectively Communicate with Each in Business (and in Life)

Cultish: The Language of Fanaticism

Fierce Conversations: Achieving Success at Work and in Life One Conversation at a Time

You're Not Listening

Writing To Learn

The Art of Asking Better Questions: Pursuing Stronger Relationships, Healthier Leadership, and Deeper Faith

How to Talk So Teens Will Listen and Listen So Teens Will Talk

Leadership: Theory and Practice

American Sign Language Made Easy for Beginners: A Visual Guide with ASL Signs, Lessons, and Quizzes