- S.U.M.O. (Shut Up, Move On): The Straight-Talking Guide to Creating and Enjoying a Brilliant Life
- How to Speak So People Really Listen: The Straight-Talking Guide to Communicating with Influence and Impact
- How to Deal with Other People: How to Have Confidence When Dealing with Other People
- Self Confidence
- Yesss!: The Sumo Secrets to Being a Positive, Confident Teenager