From Jerusalem to Milan, the foothills of the Italian Alps to Lake Como and Bellagio, The Key propels readers on a desperate search for truth about Jerusalem's destruction and the problem of human suffering. A sequel to The Cave, David Click's debut novel, The Key challenges readers to contemplate God's Plan, our responsibilities to one another, and the future of humanity through the eyes of a man seeking revenge and another living with Duchenne Muscular Dystrophy.