2012.
1st American ed.
The outer crust is under attack by the subterranean Styx who are turning ordinary humans into walking bombs and incubators for their eggs, and on
Electronic resource
2011.
As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange funga
Book
2009, c2008.
1st American ed.
When Will Burrows and his friend Chester embark on a quest to find Will's archaeologist father, who has inexplicably disappeared, they are led to
Book
2009.
1st Scholastic pbk. [ed.]
As young archaeologist Will Burrows continues to search for his lost father in the strange underground world he has discovered beneath the city o
Book
[2013]
First American edition.
"Styx and their cohorts of deadly Armagi have swept across England, leaving death and devastation in their wake. Only a miracle can save the day
Book
2011.
1st American ed.
Will Burrows believes he is safe at the very center of the earth, in a world that no one knows exists, but the Styx are close behind and will fol
Book
2010.
1st American ed.
As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange funga
Book
2009.
1st American ed.
As young archaeologist Will Burrows continues to search for his lost father in the strange underground world he has discovered beneath the city o
Book