41 Self-Discipline Habits

Polymath: Master Multiple Disciplines, Learn New Skills, Think Flexibly, and Become Extraordinary Autodidact

Learn Like a Polymath

Mental Models: 16 Versatile Thinking Tools for Complex Situations: Better Decisions, Clearer Thinking, and Greater Self-Awareness

The Study Skills Handbook

The Science of Powerful Focus

The Science of Self-Discipline

Self-Improvement and Motivation for Success

Practical Guide to Emotional Intelligence Mastery 2.0

The Art of Erasing Emotions

Stress Management