"Beloved characters from the Magnus Chase and the Gods of Asgard series star in these hilarious and inventive new short stories, each set in a different one of the Nine Worlds from Norse mythology"--

"Thor's hammer is missing again. The thunder god has a disturbing habit of misplacing his weapon--the mightiest force in the Nine Worlds. But 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"--

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

When a vision shows her a greater destiny is possible, teenage stable hand Sigrid makes an alliance with an enemy Valkyrie with whom she forms a powerful friendship--and possibly something more--as they search for the truth about Sigrid's birthright.

"As the two sides prepare for an apocalyptic battle, Eiric, Reginn, and Liv find allies and enemies in unexpected places and draw on new strengths as they seek to prevent the destruction of the last of the Nine Worlds"--Provided by publisher.

In the depths of Tiveden Forest, home to bloodthirsty monsters, eighteen-year-old Astrid searches for her vanished grandmother, inadvertently awakens the deadly draugr Soren, and forms an unlikely alliance with him as she discovers her family's grim legacy.

Living alone on the streets of Boston, Magnus Chase learns he is the son of a Norse god, from an uncle his mother claimed was dangerous.

Owen Brown is your average fourth grader. Or he was, until his best friend, Dana, disappeared right in front of his face, through the floor of the school. Owen's average life has turned upside down. He's determined to find Dana -- before anyone realizes she's missing. Owen sets out on a mysterious, mythological rescue mission with his friends Jon and Sydney. But what none of them know is that Dana's disappearance is part of a much larger riddle. And...

When her sister is found dead under mysterious circumstances, Lena strikes a gruesome deal with the Norse gods to bring her back and finds herself in the middle of an impending doomsday.