The Notebook of Doom is missing and Alexander and his fellow-monster hunters, Rip and Nikki, are convinced that the boss-monster has it; but is that monster the mysterious Principal Vanderpants, who is certainly behaving oddly, or someone else--and they need to figure that out quickly because a mistake could have deadly consequences for Stermont Elementary.

March of the Vanderpants 2017, Scholastic Inc.

ISBN-13: 9781338034523

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March of the Vanderpants 2017, Scholastic Inc.

ISBN-13: 9781338034530

Hardcover

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March of the Vanderpants 2017, Turtleback Books

ISBN-13: 9780606401920

Hardcover

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