Confidence: How to Overcome Your Limiting Beliefs and Achieve Your Goals
2015
How to Think Bigger: Aim Higher, Get More Motivated, and Accomplish Big Things
2015
How to Relax: Stop Being Busy, Take a Break and Get Better Results While Doing Less
2015
Self-Discipline in Difficult Times: Pressing Ahead (or Not) When Your World Turns Upside Down
2020
Cómo construir la autodisciplina: Resiste tentaciones y alcanza tus metas a largo plazo
2016
Как развить самодисциплину: Боритесь с искушениями и достигайте долгосрочных целей
2017