Monument Valley

While coming back from a trip on the Pacific coast, Zagor and Cico stumble upon the wreckage of a wagon train that was attacked by the Natives. A survivor, Professor Angus McFly, a Greek language and history scholar, tells them that he was a member of an archaeological expedition. The Natives massacred his companions, colleagues at Harvard, and kidnapped a woman, Miss Julia Schulz, a researcher who was with their team. The Spirit-with-the-Hatchet and the two men start searching for the kidnappers and their prisoner. But what were the archaeologists looking for, in the South-Western deserts? The answer will leave Zagor dumbfounded...