That Mad Game is a novel of World War II.
It is the story of two brothers, born to an English mother and a German father.
Raised in both countries, James chooses to join the Royal Navy and fight Germany.
John, however, is tasked with a grimmer duty -- to remain in Germany, fight as a tank commander in the Panzer Corps, and spy for England.
After being wounded in action, John plays a dangerous game as the fox in the henhouse working at German Intelligence Headquarters.
James patr.