"Don and Mimi Galvin seemed to be living the American dream. After World War II, Don's work with the Air Force brought them to Colorado, where their twelve children perfectly spanned the baby boom. There was a script for a family like the Galvins--hard work, upward mobility, domestic harmony--and they all tried to play their parts. But behind the closed doors of the house on Hidden Valley Road was a far different reality: psychological breakdown,...