The Key of the Temple of Heaven is a novel by Sax Rohmer, the creator of the famous fictional character Fu Manchu. The story follows the adventures of a British secret agent named Damar Greefe, who is tasked with investigating a mysterious cult that is said to possess a powerful artifact known as the Key of the Temple of Heaven. The cult is led by a charismatic woman named Madame Koluchy, who claims to have access to ancient knowledge and supernatural...