How to Think Bigger: Aim Higher, Get More Motivated, and Accomplish Big Things
2015
Confidence: How to Overcome Your Limiting Beliefs and Achieve Your Goals
2015
How to Relax: Stop Being Busy, Take a Break and Get Better Results While Doing Less
2015
Jak zbudować samodyscyplinę: Oprzyj się pokusom i osiągnij długoterminowe cele
2017
365 Days With Self-Discipline: 365 Life-Altering Thoughts on Self-Control, Mental Resilience, and Success
2017
This Time Will Be Different: A Short Book on Making Permanent Changes
2017