Thor's Serpents

Thirteen-year-olds Matt Thorson, and Laurie and Fen Brekke have managed to assemble as many of the descendents of the Norse gods as possible. They''ve found Thor''s hammer, and his shield. Together, they''re ready to face down the monsters bringing the end of the world.

Only when Fen is pulled to be the head of the pack of wulfenkind, and they find out that only Matt can enter the arena to fight ...