A golf caddy who has a leaning toward amateur detective work, together with his younger cousin, are accidentally mixed up in the strange loss, or theft, of a valuable diamond, known as Green Fire. It was once the eye of an East Indian idol. To clear his young cousin of suspicion, the older boy undertakes to solve the mystery which deepens when one man disappears and another is found murdered on the golf course. But, by a series of clever moves on the part of the young sleuth, the crime is solved and the diamond found in a most unusual hiding place. A rapidly moving, exciting tale. You will like it.