Nearly twenty-five years ago, David Stuart published an article titled "The Arrival of Strangers," in which he proposed that "Spearthrower Owl," a prominent historical figure cited in the Early Classic inscriptions of Tikal, might be a ruler of Teotihuacan. Stuart expands on this provocative argument in Spearthrower Owl: A Teotihuacan Ruler in Maya History, offering evidence that Spearthrower Owl was a historical individual whose political...