Prince of Underwhere / by Bruce Hale ; illustrated by Shane Hillman.
When Zeke, his twin sister Stephanie, their neighbor Hector, and Hector's cat Fitz slide into the world of Underwhere, Zeke is hailed as a prince who will, according to an ancient prophecy, free the Undies from the evil UnderLord's rule by finding and destroying his throne.
New York, NY :
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold