- How to Deal with Other People: How to Have Confidence When Dealing with Other People
- S.U.M.O. (Shut Up, Move On): The Straight-Talking Guide to Creating and Enjoying a Brilliant Life
- Self Confidence
- How Not to Worry: The Remarkable Truth of How a Small Change Can Help You Stress Less and Enjoy Life More
- Yesss!: The Sumo Secrets to Being a Positive, Confident Teenager