"Near the end of the Cold War, a CIA code breaker discovers a symbol she recognizes from her childhood, which launches her across the world to the heart of Berlin just before the wall comes tumbling down."--
"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"--