Title: Deeper
Description: As Will Burrows continues to search for his lost archaeologist father in the strange underground world he has discovered, he stumbles across a sinister plot with terrible implications for the world above.
Subjects: Underground areas, Adventure and adventurers, Juvenile fiction, Subterranean Civilization, Fiction, Adventure stories, Archaeologists, Missing persons, nyt:chapter-books=2009-02-22, New York Times bestseller, Children's fiction, Adventure and adventurers, fiction, Archaeology, fiction, London (england), fiction, Missing persons, fiction