Over the course of 66 days in 1967, more than 4,000 "class enemies"--including young children and the elderly--were murdered in Daoxian, a county in China's Hunan province. The killings spread to surrounding counties, resulting in a combined death toll of more than 9,000. Commonly known as the Daoxian massacre, the killings were one of many acts of so-called mass dictatorship and armed factional conflict that rocked China during the Cultural Revolution. However, in spite of the scope and brutality of the killings, there are few detailed accounts of mass killings in China's countryside during...