Magnus and his friends set sail for the farthest borders of Jotunheim and Niflheim in pursuit of Asgard's greatest threat, Loki's demonic ship full of zombies. While Loki prepares his ship, Naglfar, to begin the final battle of Ragnarok, Magnus and his friends set sail to reach the vessel before it's ready, but angry sea gods and a fire-breathing dragon may prevent them from arriving in time.

"Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits, keeping one step ahead of the police and the truant officers. One day, he's tracked down by an uncle he barely knows-a man his mother claimed was dangerous. Uncle Randolph tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for...

When the god of thunder's hammer goes missing, Magnus Chase and his friends are tasked with retrieving it before an onslaught of giants attacks the mortal world.

Desperate to escape her demon master, runecaster Reggin Eiklund flees to the Grove, while Eiric Halvorsen, falsely accused of murdering his modir and stepfadir, journeys to the Grove at the behest of a powerful jarl interested in restoring magic to the world.

Twelve-year-old Idun, the goddess of youth, races to protect her grove of magical apples from the mischievous schemes of Loki.

Twelve-year-old Sif, goddess of the harvest and a reluctant seer whose abilities are woven into her hair, goes on a quest with Freya and Loki after Loki cuts her hair in a prank gone wrong, causing the crops of Midgard to fail.

"It's been a year since friends ABE and Pru joined Mister Fox's Fantasy Investigation Bureau--otherwise known as the Unbelievable FIB. In their next adventure, they must outrun trolls, explore Asgard and the Viking underworld, and try to outsmart the Queen of the Dead herself to change fate, save the world--and survive seventh grade"--

"Kevin Hearne creates the ultimate Atticus O'Sullivan adventure in the grand finale of the New York Times bestselling Iron Druid Chronicles: an epic battle royale against the Norse gods of Asgard. Unchained from fate, the Norse gods Loki and Hel are ready to unleash Ragnarok, a.k.a. the Apocalypse, upon the earth. They've made allies on the darker side of many pantheons, and there's a globe-spanning battle brewing that ancient Druid Atticus O'Sullivan...