Surrounded by Vampires: Or, How to Slay the Time, Energy and Soul Suckers in Your Life

Think Again: The Power of Knowing What You Don't Know

Entrepreneurship in Healthcare

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

The 33 Strategies of War

Surrounded by Setbacks: Or, How to Succeed When Everything's Gone Bad

Becoming Bulletproof: Protect Yourself, Read People, Influence Situations, and Live Fearlessly

Surrounded by Psychopaths: or, How to Stop Being Exploited by Others

How to Sell Anything to Anybody

Surrounded by Bad Bosses and Lazy Employees: or, How to Deal with Idiots at Work

Working With Emotional Intelligence

Handbook of Input–Output Analysis

Surrounded by Liars: How to Stop Lies and Half-truths Ruining Your Life

Financial Intelligence, Revised Edition: A Manager's Guide to Knowing What the Numbers Really Mean

To Sell Is Human: The Surprising Truth About Moving Others

Success Is a Choice: Make the Choices that Make You Successful

How I Raised Myself From Failure to Success in Selling

HBR Guide to Office Politics (HBR Guide Series)

Uses and Limitations of the AHP Method: A Non-Mathematical and Rational Analysis