Troll hunters /
written by Michael Dahl ; illustrated by Ben Kovar.
- North Mankato, Minn. : Capstone, c2012.
- 313 p. : ill. ; 22 cm.
Previously published as four separate books with a somewhat different text. "This book is also available in four library-bound editions: Skyfall, Dark tower rising, The lava crown, Fallen star"--T.p. verso.
Meteors fall above the town of Zion Falls, and below the town an ancient evil awakens--caught in the middle are four friends, who must use their new powers to defeat the troll monsters and save the world.