Anthony T. DeBenedet, M.D., is a board-certified physician in internal medicine and an incredibly active and adventurous father. An avid athlete, he enjoys basketball, running, hiking, and golf. He lives with his wife and three young daughters in Ann Arbor, Michigan. Lawrence J. Cohen, PH.D., is a licensed psychologist specializing in children’s play and play therapy. His book Playful Parenting is in its eleventh printing. His writing has also appeared in the Boston Globe, professional journals, and a host of national parenting magazines. He lives with his wife and two teenage children in Brookline, Massachusetts.