It's 1939. The Nazis have supermen, the British have demons, and one perfectly normal man is caught in between.Raybould Marsh is a British secret agent in the early days of the Second World War. During a mission back in the Spanish Civil War, he saw something strange: a German woman with wires going into her head. She looked at him as if she knew him. When the Nazis start running missions with people who have unnatural abilities - a woman who can turn invisible, a man who can walk through walls, and the woman from Spain who can use her knowledge of the future to twist the present - Marsh is the man who gets to handle the problem. He rallies the secret warlocks of Britain to hold the impending invasion at bay. But magic always exacts a price. Eventually, the sacrifice necessary to defeat the enemy will be as terrible as outright loss.Alan Furst meets Alan Moore in the opening of an epic of supernatural alternate history, the tale of a twentieth century like ours but also profoundly different.