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Revenge of Dr. Von Naysayer

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Keep books away from direct sunlight and damp conditions to protect the binding and pages. Handle with clean, dry hands and use a bookmark instead of folding page corners.

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In the tenth DATA Set adventure, the kids must choose sides in the battle between Dr. Bunsen and Dr. von Naysayer!Dr. Bunsen goes up against his ultimate nemesis, Dr. von Naysayer to settle their long-standing feud, once and for all. May the best mad scientist win! With easy-to-read language and illustrations on almost every page, the DATA Set chapter books are perfect for emerging readers.

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Ada HopperAge GroupsChildren & Young ReadersLittle SimonMiddle Grade (9-12 Years)

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