Vincent Ferrer (1350-1419), a celebrated Dominican preacher from Valencia, was revered as a living saint during his lifetime, receiving papal canonization within fifty years of his death. In The Saint and the Chopped-Up Baby, Laura Ackerman Smoller recounts the fascinating story of how Vincent became the subject of widespread devotion, ranging from the saint's tomb in Brittany to cult centers in Spain, Italy, France, Germany, and Latin America,...