While Henry's parents are at a Sweetheart Dance on Valentine's Day, he and his dog Mudge have a wonderful time staying at Mrs. Hopper's house, where they enjoy tea and music and dressing up in various costumes.

Henry and Mudge and Mrs. Hopper's House 2006, Spotlight (MN), New York, NY

ISBN-13: 9781599610849

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Henry and Mudge and Mrs. Hopper's House 2004, Simon Spotlight, New York, NY

ISBN-13: 9780689834462

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Henry and Mudge and Mrs. Hopper's House 2004, Perfection Learning, New York, NY

ISBN-13: 9780756922009

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Henry and Mudge and Mrs. Hopper's House 2003, Simon Spotlight, New York, NY

ISBN-13: 9780689811531

Repackage edition

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Henry and Mudge and Mrs. Hopper's House 2003, Turtleback Books, New York, NY

ISBN-13: 9780613903769

Turtleback School & Library edition

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