
The Aztec rulers used black magic, aided by a powder of the fungus Coccidioides immitis which could kill by causing coccidioidomycosis.

A portion of the team learns that the city of Quivira held not gold, but micaceous, golden colored pottery, and that it also was a center for an Aztec death cult, which had enslaved the native Anasazi people. Kelly organizes an expedition into a harsh, remote corner of Utah's canyon country.

The letter states that he had found the lost city of gold, Quivira. The letter is written by her father, long believed dead. Plot synopsis Īnthropologist Nora Kelly finds a letter that was written sixteen years ago, but mysteriously sent to her only recently. The book was published on Jby Grand Central Publishing.

Thunderhead is a thriller novel by American writers Douglas Preston and Lincoln Child.
