Nine Things Successful People Do Differently

Skill With People

No One Understands You and What to Do About It

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

Succeed: How We Can Reach Our Goals

The Art of Dealing With People

The 8 Motivational Challenges: A Short Guide to Lighting a Fire Under Anyone--Including Yourself (A Penguin Special from Hudson Street Press)

How to Talk to Anyone, Anytime, Anywhere: The Secrets of Good Communication

How to Communicate Successfully: The Halvorson Collection (2 Books)

Win Every Argument: The Art of Debating, Persuading, and Public Speaking

The Culture Map: Breaking Through the Invisible Boundaries of Global Business

Focus: Use Different Ways of Seeing the World for Success and Influence

The Fine Art Of Small Talk: How to Start a Conversation, Keep It Going, Build Networking Skills – and Leave a Positive Impression!

The Advanced Business English Guide: How to Communicate Effectively at The Workplace and Greatly Improve Your Business Writing Skills

HBR’s 10 Must Reads on High Performance (with bonus article "The Right Way to Form New Habits” An interview with James Clear)

How to Instantly Connect With Anyone: 96 All-new Little Tricks for Big Success in Relationships

Energy + Motivation (HBR Emotional Intelligence Series)

Design for How People Learn: Edition 2

HBR's 10 Must Reads on Communication, Vol. 2 (with bonus article "Leadership Is a Conversation" by Boris Groysberg and Michael Slind)

Never Split the Difference: Negotiating as if Your Life Depended on It