Eric Liddell: Humility

Born to Run

Eat & Run: My Unlikely Journey to Ultramarathon Greatness

Lou Gehrig: Appreciation

John Wooden: Discipline

80/20 Running: Run Stronger and Race Faster by Training Slower

Gale Sayers and Brian Piccolo: Compassion

Running with the Kenyans: Discovering the secrets of the fastest people on earth

Mike Krzyzewski: Encouragement

The New Encyclopedia of Modern Bodybuilding: The Bible of Bodybuilding, Fully Updated and Revis

Vince Lombardi: Toughness

Daniels' Running Formula: Edition 4

Branch Rickey and Jackie Robinson: Nobility

Shoe Dog: A Memoir by the Creator of Nike

The Book of Sports Virtues - Youth Edition: Finding Success Through Sports

The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics

Gertrude Ederle: Triumph

Runner's World The Runner's Body: How the Latest Exercise Science Can Help You Run Stronger, Longer, and Faster

Hank Aaron: Fearlessness

The Rise of the Ultra Runners: A Journey to the Edge of Human Endurance