What happens when your god goes missing? The lord god of Cahokia has been spirited away to the Underworld and the empire teeters on the brink of disaster as clans fight for control. Night Shadow Star, the god’s human sister, and Fire Cat, her warrior bodyguard, are the only two people who can bring him back. They descend into the Sacred Cave where monsters dwell, willing to sacrifice themselves to save their kingdom. What they find makes them question...

The city of Cahokia, at its height, covered more than six square miles around what is now St. Louis and included structures more than ten stories high. Cahokian warriors and traders roamed from the Great Lakes to the Gulf of Mexico. What force on earth would motivate hundreds of thousands of people to pick up, move hundreds of miles, and once plopped down amidst a polyglot of strangers, build an incredible city? A religious miracle: the Cahokians...