The Happiness Project, Tenth Anniversary Edition: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun
Barking Up the Wrong Tree: The Surprising Science Behind Why Everything You Know About Success Is (Mostly) Wrong
13 Things Mentally Strong People Don’t Do: Take Back Your Power, Embrace Change, Face Your Fears, and Train Your Brain for Happiness and Success