The Centaur

''A triumph of love and art.'' THE WASHINGTON POST In a small Pennsylvania town in the late 1940s, schoolteacher George Caldwell yearns to find some meaning in his life. Alone with his teenage son for three days in a blizzard, Caldwell sees his son grow and change as he himself begins to lose touch with his life. Interwoven with the myth of Chiron, the noblest centaur, and his relationship to the Titan Prometheus, ''The Centaur'' is one of Updike's most brilliant novels. From the Paperback edition.