Book excerpt: American Ninja Warrior is the name of a television show on which athletes compete to complete difficult obstacle courses. Colloquially, "Ninja Warrior" refers to this type of obstacle course challenge depicted on the show, built to test strength, agility, balance, and endurance. This exhilarating book brings readers into the action, explaining what Ninja Warrior is, depicting its coolest maneuvers, and profiling its biggest stars. It stresses how to perform these acts safely. This compelling book teaches readers, who may not have access to traditional sports, how to conquer personal challenges over mere winning and stay the course.