The Thirteen Problems

Las trece rosas/The thirteen roses

13: Thirteen Stories That Capture the Agony and Ecstasy of Being Thirteen

Thirteen Days - A Memoir of the Cuban Missile Crisis

Gorillas in the Mist: A Remarkable Story of Thirteen Years Spent Living with...

Thirteen Ways - Theoretical Investigations in Architecture (Paper)

Marcelo Bielsa: Thirteen Steps to the Premier League

Sparks of Genius: The Thirteen Thinking Tools of the World's Most Creative...