Sam won't be needing a costume for the Halloween dance--he's turned into a werewolf. At least he thinks he has. His little brother Robert might have something to do with that. But what started as a practical joke suddenly seems hairily, scarily real.

Wolfman Sam 1996, HarperCollins Publishers, New York, NY

ISBN-13: 9780064420488

Trade paperback

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Wolfman Sam 1996, Turtleback Books, Wisconsin

ISBN-13: 9780606100816

Turtleback School & Library edition

Hardcover

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Wolfman Sam 1900, HarperCollins Publishers, New York, NY

ISBN-13: 9780060248178

Hardcover

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