Lost Souls: Dead Lands
With the help of Alyssa and his friends, he will have to immerse himself in the Chicago Expo and the deep rivalry between Thomas Edison and Nikola Tesla to learn Mavis's forgotten secret. This time, though, Nathan might have an advantage. Ah Puch, the Mayan god of the underworld, has offered Nathan his assistance against Kukulkan . . . no strings attached.
Title: Lost Souls: Dead Lands
Author: Jordan Weisman; Mel Odom