Clay Willison, Klaus Baumgarten

The Ultimate Self Discipline Guide - 3 Books in 1: It includes: Stoicism, Self Discipline, Self Discipline Blueprint – Learn how to cure Laziness and Procrastination and become a Productivity Savage!

Self Discipline 2 Books in 1: The Complete Blueprint to hack your Mind and become a Productivity Beast – Learn the Secrets to ultimate Self Discipline!