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Operating Codes
Average rating
5 out of 5
Based on 3 Ratings and 3 Reviews

Book Description
There is something strange about Sentinel House. From the first night they moved in, Graham, and his older sister Matty sense they are not alone in the house. With his father busy designing a top-secret weapons system, Graham is told to let his suspicions lie. But when the weird phenomena begin-the voices, the mysterious writing appearing on a foggy window-Graham decides to investigate. When h... More
Book Information
Publisher
BindingHardcover (5 editions)
Reading LevelUncategorized
# of Pages198
ISBN-10B000IOEZ1S
Publication Date09/01/2001
The Creators
About Nick Manns (Author) : Nick Manns is a published author of children's books and young adult books. Some of the published credits of Nick Manns include Fallout, Dead Negative (Signature), Operating Codes, and Operating Codes... more
View Nick Manns' profile
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