The Serpent's Shadow (#3 Graphic Novel: The Kane Chronicles)

Rick Riordan

CARTER AND SADIE KANE, descendants of the magical House of Life, are in pretty big trouble. Despite their bravest efforts, Apophis, the giant snake of Chaos, is still threatening to plunge the world into eternal darkness. Now the Kanes must do something no magician has ever managed - defeat Apophis hims...