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Keys To The Demon Prison (Turtleback School & Library Binding Edition) (Fablehaven)
Keys To The Demon Prison - Turtleback School & Library Binding Edition - Fablehaven Author:Brandon Mull FOR USE IN SCHOOLS AND LIBRARIES ONLY. In an effort to stop the Sphinx from opening the demon prison Zzyxx, Kendra, Seth, and the Knights of the Dawn race to find the exotic artifacts and keep them out of the Sphinx's control.