Calliope Reaper-Jones is Death's Daughter. She owes a debt to Cerberus, the three headed dog that guards the gate's of hell-a debt that involves a trip to Purgatory, Las Vegas, ancient Egypt, and a discount department store that's more frightening than any supernatural creature she'll ever encounter.
This book is part of the Calliope Reaper-Jones Books series and is book #2 in the series.