"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...

So you've made it to Valhalla. Now what? This "who's who" guide to the gods, goddesses, and other important figures of Norse mythology was commissioned by Helgi, who, after more than a millennium as manager of Hotel Valhalla, became fed up with answering the same questions from newly deceased heroes at check-in. The profiles provide essential stats, interviews, and personal reflections so you can identify the gods and avoid those awkward introductions....