Unspeakable
Unspeakable: Facing up to Evil in an Age of Genocide and Terror by Os Guinness, 2/5
This book tells some touching stories and provides some good quotes, however it does not dive very deeply into the subject. Its unconvincing surface exploration of such a major issue would probably be most useful to already established Christians. It comes nowhere close to the apologetics of C.S. Lews, G.K. Chesterton and the like.