内容简介：
Something strange was happening to seventy-eight year old Victor Marshall. He was looking younger and acting younger. Out of nowhere, he was beginning to feel restored, an unexplained sense of exhilaration pervading his body. His tennis game was improving, and he still had energy at the end of a teaching day. Strangest of all, Vic noticed new sexual promptings and not necessarily directed toward Binnie, his wife of fifty-five years and mother of his children. What the hell was going on? A lot of people wanted to know, including his wealthy twin brother who was aging noticeably, his wife and children, and the preparatory school where he had taught history for a half a century. Whatever the cause for this drive toward youth, it brings him to confront issues that he had not previously faced or even thought of-a growing loneliness and sense of separation, matters of honor and vindictiveness, questions concerning his own morality and self-identity, guilt and betrayal of values, religiosity and reflections on the nature of human purpose-and finally the wisdom of the achievement of great longevity itself, as is now coming within the vision and purview of established medical science and research