"Colleen crashed into my orbit like a meteorite," writes Rev. Gordon Hunter in the opening sentence of his contribution to this book's Foreword. Indeed, Colleen had that effect on most people she encountered, including her own parents and sister. Bright, articulate, and utterly charming at times, she could also be bewilderingly sinister, manipulative, and downright vindictive. Says her mother Fran, there is so much about the human brain that still remains to be understood. But if we are to help those like Colleen-possibly greater in number than our society yet realizes or is ready to admit-we...