Moneyball: The art of winning an unfair game by Michael Lewis.Besides being one of the most insider accounts ever written about baseball, Moneyball is populated with fascinating characters.
Seabiscuit: An American Legend by Laura Hllenbrand. Author Laura Hillenbrand brilliantly re-creates a universal underdog story, one that proves life is a horse race.
Evolution of a game by Michael Lewis. The Author was able to tell a compelling story and educate the less knowledgeable without coming off as condescending, which is more difficult than it sounds. The story of Michael Oher is compelling (and ongoing), and it's hard not to root for him.
The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics