The Final DescentBook - 2013
When Dr. Warthrop begins to doubt fourteen-year-old Will Henry's loyalty, he sets him against one of the most horrific creatures in the Monstrumarium unaware that Will's life and his own fate will lie in the balance.
Publisher: New York :, Simon & Schuster Books for Young Readers,, 
Edition: First edition
Copyright Date: ©2013
Branch Call Number: Y YAN
Characteristics: 510 pages : illustrations ; 22 cm