Iris Chang's mysterious suicide in 2004, at age thirty-six, didn't seem to make any sense. She had more to live for than anyone, including fame, fortune, beauty, a husband, and child. Some even wondered if the controversial author of the Rape of Nanking had been murdered. Long-time friend Paula Kamen was among those left wondering what had gone so wrong. Seeking to reconcile the suicide with the image of Chang's "perfect" life, Kamen searched her...