Part Michael Chabon's The Mysteries of Pittsburgh and part Fitzgerald's This Side of Paradise, Lost and Found will appeal to anyone who's experienced the push-pull nature of love and the thrill of self-discovery. Lost and Found is partly a story about loss: of love, innocence, parents, and children. But it is perhaps more a story about finding those same things, if in different forms. The plot centers around two men--Jacob, a father-less freshman entering college, and Yuri, Jacob's aging but devilish music history professor--who discover a mysterious, unsigned piano score that Yuri is...