Return of the Homework Machine

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After discarding their infamous homework machine, four friends, now in sixth grade, find themselves once again at the police station, this time giving testimony about an incident involving a powerful computer chip, a Grand Canyon treasure, and a dead body.

Return of the Homework Machine 2011, Simon & Schuster Children's Publishing, New York, NY

ISBN-13: 9781416954590

Trade paperback

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Return of the Homework Machine 2009, Simon & Schuster Books for Young Readers, New York, NY

ISBN-13: 9781416954163

Hardcover

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