Author of several books, including "Wheels of Courage: How Paralyzed Veterans from World War II Invented Wheelchair Sports, Fought for Disability Rights, and Inspired a Nation" (2020); "Waterman: The Life and Times of Duke Kahanamoku" (2015); "Showdown at Shepherd's Bush: The 1908 Olympic Marathon and the Three Runners Who Launched a Sporting Craze" (2012); and "Play by Play: Los Angeles Sports Photography, 1889-1989" (2004).