"To find his way back home to his family in Germany during WWII, Max Bretzfeld, with a kobold named Berg on one shoulder and a dybbuk named Stein on the other, sets out to do the impossible--become a British spy"-- Provided by publisher.

"Training complete and forged papers in hand, the radio wunderkind's missions have begun. But nothing is as he expected. His parents are missing. Nazi intelligence is watching him. And the lines between lies and truth are becoming more blurred every day. Max will need every tool at his disposal, from his radio expertise and spy training to the help of Berg and Stein, the immortal creatures living on his shoulders. Even so, there's no guarantee he'll...