The squabbling Norse gods and goddesses of Runemarks are back! And there's a feisty new heroine on the scene: Maggie, a girl the same age as Maddy but brought up a world apart - literally, in World's End, the focus of the Order in which Maddy was raised. Now the Order is destroyed, Chaos is filling the vacuum left behind... and is breaching the everyday world.A chilling prophecy from the Oracle. A conflict between two girls. And with just twelve days to stave off the Apocalypse, carnage is about to be unleashed . . .