Weaving links between New York’s auction houses and art dealers, a revered British Leonardo da Vinci expert, one opportunistic Swiss go-between, a Russian oligarch, London’s Tate Gallery, Le Musée d...

　　When a broken hearted boy loses the treasured wooden nativity set that links him to his dead father, his worried mother persuades a lonely ill-tempered woodcarver to create a replacement, and to all...