Strong Bow has Hank Roper drive him out to the old adobe dwelling's of his ancestors for to attend a ritual. As Hank surmises correctly, it has something to do with the eclipse going on later. "Since you're interested," Strong Bow replies, "I'll give you the details." Ignoring their hosts when they explain they only left because of the smoke, not because of fire, the Aztec continues. "It is written in our Sacred Book, The Popol Vuh: Where there is smoke, there is fire!" The Aztecs took over the village, and began to build strange skyships from diagrams in the Popul Vuh.