The lava crown [electronic resource] / written by Michael Dahl ; illustrated by Ben Kovar.
Zak and the other young heroes must descend deep underground to face the creature that wears the lava crown and commands the troll army--can they rescue their mentor, Dr. Hoo and the captive humans, or has the doctor betrayed them?
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| Language: | English |
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North Mankato, Minn. :
Stone Arch Books,
c2012.
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| Series: | Troll hunters ;
bk. 3 |
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| Format: | Electronic eBook |