"Thor's hammer is missing again. The thunder god has a disturbing habit of misplacing his weapon-- the mightiest force in the Nine Worlds. This time the hammer isn't just lost, it has fallen into enemy hands. If Magnus Chase and his friends can't retrieve the hammer quickly, the mortal worlds will be defenseless against an onslaught of giants. Ragnarok will begin. The Nine Worlds will burn. Unfortunately, the only person who can broker a deal for...

"Freya is a Valkyrie, a reaper of souls. But she hates what she must do. She doesn't like humans and the pain they inflict on each other, and she never wants to visit another battlefield. But when a soldier begs her to help his family back in the human realm, she agrees and discovers a world of friends. Now she'll have to find a way to keep her promise to the soldier and prevent the wrath of Odin from destroying the world"--

Owen, Dana, Jon, and Sydney must find a crystal rune before Norse trickster Loki uses its power to destroy their world.

"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...

"Christmas has come, and with it a sparkling white winterfrost over the countryside. But twelve-year-old Bettina's parents have been called away unexpectedly, leaving her in charge of the house, the farm, and baby Pia. In all the confusion, Bettina's family neglects to set out the traditional bowl of Christmas rice pudding for the tiny nisse who are rumored to look after the family and their livestock. No one besides her grandfather ever believed...

Edda, the littlest Valkyrie, leaves the magical land of Asgard to attend school in hopes of making a friend her own age, but she feels like an outcast until she finds her courage and learns that being different makes her special.

Karn Korlundsson must travel to the faraway city of Castlebriar, learn to play a new board game called Charioteers, decipher the Riddle of the Horn, and tangle with mysterious elves in order to rescue his best friend, Thianna Frostborn, facing great dangers at every step. Includes directions for playing Charioteers.

Destined to take over his family farm in Norrn̜gard, Karn would rather play the board game, Thrones and Bones, until half-human, half frost giantess Thianna appears and they set out on an adventure, chased by a dragon, undead warriors, an evil uncle, and more.

Mott's life becomes complicated when the abandoned puppy she found turns out to be a mythical Norse wolf who is partly responsible for bringing about the end of the worlds.

"Loki is waging war, and Pinewood Bluffs is about to become his battlefield. Owen, Dana, Jon, and Sydeny know they have to stop him. They'll do whatever it takes"--p. [4] of cover.