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Book, 2011
Current format, Book, 2011, Available .
Book, 2011
Current format, Book, 2011, Available . Offered in 0 more formats
It's up to Otto to save the world from a renegade faction of the world's most powerful villains, known as the Disciples. And when they kidnap two of Otto's friends, things get personal.
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New York, N.Y. : Simon & Schuster Books for Young Readers, 2011.
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