The Power of When: Discover Your Chronotype–And the Best Time to Eat Lunch, Ask for a Raise, Have Sex, Write a Novel, Take Your Meds, and More by Michael Breus

Ego Is the Enemy by Ryan Holiday

The Pomodoro Technique by Francesco Cirillo

Set Your Voice Free: How To Get The Singing Or Speaking Voice You Want by Roger Love

Getting Things Done: The Art of Stress-Free Productivity by David Allen

The Energy Bus: 10 Rules to Fuel Your Life, Work, and Team with Positive Energy by Jon Gordon

12 Rules for Life: An Antidote to Chaos by Jordan Peterson

The Outliers by Malcolm Gladwell

The Magic of Thinking Big by David Schwartz

Slight Edge by Jeff Olson