The third and final book in Rick Riordan's chart-topping Kane Chronicles series. Carter and Sadie Kane face the impossible task of defeating Apophis, the serpent of chaos, before he can destroy the mortal world. Unfortunately the magicians of the House of Life are on the brink civil war, the Gods are divided, and the young initiates of Brooklyn House stand almost alone against the forces of chaos. Percy Jackson fought Greek Gods. Now the Gods of Egypt are waking in the modern world . . .