Days of Cain

In the future, time travel is possible, and Monitors have been selected to preserve the integrity of the past, so that what is to come remains uncompromised and uncorrupted. Now one Monitor, Alma Lewin, has gone renegade and has vanished into the most violent years of the mid-twentieth century. Unless her mentor, Gaspar James, can find and stop her, Alma intends to change the past -- and the future -- by entering Auschwitz, the most terrible place ever created by Man.