Over the past decade, the stakes in youth sports have reached startling heights; the pressure to win often eclipses the desire to have fun. Sports injuries have increased tenfold; aggression on and off the field—between kids, parents, and coaches—is at a fever pitch; and drug and alcohol use among young athletes is on the rise. While there are plenty of books that help the best-intentioned parent, most of them are written by men, for men. They do not address concerns specific to mothers, nor empower them to confidently step onto the out-of-control playground to assume whatever...