What happens when the wrench of evolution is dropped into the hopper of Christian theology? Written by a philosopher, Saving the Neanderthals takes evolution as its foil and shows what might have to change in Christian theology in order to make theology compatible with evolution. If the Christian faith is shown consistent with what Mark S. McLeod-Harrison calls “hard evolution,” then the softer versions will also be compatible. Indeed, that is exactly what the book argues, specifically for the Christian doctrines of sin and salvation. These doctrines typically rely on some fairly strong realist version of essentialism, which hard evolution denies; but McLeod-Harrison proposes an approach to sin and salvation that is compatible with the anti-essentialist claims of hard evolution.