The Defining Decade: Why Your Twenties Matter--And How to Make the Most of Them Now

101 Questions You Need to Ask in Your Twenties: (And Let's Be Honest, Your Thirties Too)

101 Secrets For Your Twenties

The Last Lecture

Adulting: How to Become a Grown-up in 468 Easy(ish) Steps

Weird in a World That's Not: A Career Guide for Misfits, F*ckups, and Failures

Happiness: A Guide to Developing Life's Most Important Skill

The Power of Habit: Why We Do What We Do in Life and Business

Emerging Adulthood: The Winding Road from the Late Teens Through the Twenties

Eating Animals