Having learned that someone has discovered proof of alien life and hidden the proof on the top-secret base called Zone 91, Cassie and the Animorphs struggle to keep the evil Yeerks away from the place
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Seller: JessieLearnedBooks, Burlington, WA, U.S.A.
Hardcover. Condition: Good. Library Binding - Reinforced Hardcover. Has Usual Stamps And Stickers From Library. Seller Inventory # 001945