The story of the Trojan War has been told and retold across the ages, from Homer's Iliad and Virgil's Aeneid to recent film and television adaptations. The peoples of medieval Europe were especially enthralled with the tale of the siege of the great city by the Greeks, and by the fourteenth century virtually every royal house in Europe traced its ancestry to some long-ago Trojan warrior. The medieval West, however, had no access to Homer,...