When young Gavir's sister is brutally killed, he escapes from slavery and sets out to explore the world and his own psychic abilities.

Matt Cruse, a student at the Airship Academy, and Kate de Vries, a young heiress, team up with a gypsy and a daring captain, to find a long-lost airship, rumored to carry a treasure beyond imagination.

"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...