On a lazy Sunday in 1954, twelve-year-old Jerry Schilling wandered into a Memphis touch football game, only to discover that his team was quarterbacked by a nineteen-year-old Elvis Presley, the local teenager whose first record, "That's All Right," had just debuted on Memphis radio. The two became fast friends, even as Elvis turned into the world's biggest star. In 1964, Elvis invited Jerry to work for him as part of his "Memphis Mafia," and Jerry soon found himself living with Elvis full-time in a Bel Air mansion and, later, in his own room at Graceland. Over the next thirteen years Jerry...