The Wump World is an unspoiled place until huge monsters bring hordes of tiny creatures from the planet Pollutus. A clever parable built on the subject of pollution and the waste of natural resources.

The Wump World 1981, Houghton Mifflin, Boston, MA

ISBN-13: 9780395311295

1995 edition

Trade paperback

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The Wump World 1981, Turtleback Books, Boston, MA

ISBN-13: 9780808528258

Turtleback School & Library edition

Hardcover

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The Wump World 1981, Perfection Learning, Boston, MA

ISBN-13: 9780812401578

Hardcover

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Wump World 1976, Andre Deutsch Ltd, London

ISBN-13: 9780233967370

Hardcover

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The Wump World 1974, Harcourt Brace and Company, Boston, MA

ISBN-13: 9780395198414

Hardcover

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