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...

"Lightning Shell marks the dramatic conclusion to the People of Cahokia sub-series by bestselling authors W. Michael and Kathleen O'Neal Gear. Spotted Wrist's squadrons are about to launch an assault on Evening Star Town. Meanwhile, the new Keeper's loyal squadrons have taken control of central Cahokia. Blue Heron's enemies have declared her dead, a supposed victim of the fire that consumed her palace. She's alive and in the end it will be her wits,...