"Around the world, black handprints are appearing on doorways, scorched there by winged strangers who have crept through a slit in the sky. In a dark and dusty shop, a devil's supply of human teeth grown dangerously low. And in the tangled lanes of Prague, a young art student is about to be caught up in a brutal otherworldly war. Meet Karou. She fills her sketchbooks with monsters that may or may not be real; she's prone to disappearing on mysterious...

"In the perilous days of World Wars I and II, the gods hold the fates -- and the hearts -- of four mortals in their hands. They are Hazel, James, Aubrey, and Colette. A classical pianist from London, a British would-be architect-turned-soldier, a Harlem-born ragtime genius in the U.S. Army, and a Belgian orphan with a gorgeous voice and a devastating past. Their story, as told by goddess Aphrodite to her husband, Hephaestus, and her lover, Ares, is...