Lincoln's Melancholy: How Depression Challenged a President and Fueled His Greatness

The 33 Strategies of War

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

Lincoln's Letters and Lincoln's Prose: The Private Man and the Warrior & Major Works by a Great American Writer

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

To Sell Is Human: The Surprising Truth About Moving Others

The Making of a Manager: What to Do When Everyone Looks to You

How I Raised Myself From Failure to Success in Selling

HBR Guide to Office Politics

The Like Switch: An Ex-FBI Agent's Guide to Influencing, Attracting, and Winning People Over

Predictably Irrational: The Hidden Forces that Shape Our Decisions

The Secret of the Ages: The Master Code to Abundance and Achievement

The Leader Habit: Book summary & analysis

The Productivity Project: Accomplishing More by Managing Your Time, Attention, and Energy

Radical Candor: Be a Kick-Ass Boss Without Losing Your Humanity

Creativity & Problem Solving: The Brian Tracy Success Library

Secrets to Winning at Office Politics: How to Achieve Your Goals and Increase Your Influence at Work

Finance Basics

Insights From A Shy Entrepreneur: Turning common traits into rare skillsets