Wrote about practice and repetition

James K. A. Smith You Are What You Love: The Spiritual Power of Habit

Anders Ericsson, Robert Pool Peak: Secrets from the New Science of Expertise

Nicolas Cole The Art and Business of Online Writing: How to Beat the Game of Capturing and Keeping Attention

3-2-1: On acting with confidence, the different types of age, and the importance of momentum

Adam Singer Amateurs Obsess Over Tools, Pros Over Mastery

Jeff Goins The Art of Work: A Proven Path to Discovering What You Were Meant to Do

Quincy Jones 12 Notes: On Life and Creativity

Bec Evans, Chris Smith, Written

Josh Kaufman The Personal MBA: A World-Class Business Education in a Single Volume

Jason Jaggard Beyond High Performance: What Great Coaches Know About How the Best Get Better