The Marrano Legacy chronicles the astounding, intensely personal correspondence between two strangers from different countries who shared the unusual experience of discovering in their teens that they were Jews: "Simon," a descendant of Spain's medieval Marranos who submitted to baptism to escape the Inquisition, and Trudi Alexy who survived the Holocaust when her family fled from Prague to Paris and hid in Fascist Spain as hastily baptized Catholics. Fifty...