The Wump world
The Wump World is an unspoiled place until huge monsters bring hordes of tiny creatures from the planet Pollutus
Audiobook on Cassette, English, ℗1991
Houghton Mifflin, [Boston, Mass.], ℗1991
1 audiocassette : analog + 1 story book (44 pages : color illustrations ; 25 cm).
Side 1, page turn signals; side 2, no page turn signals
Accompanying book, published 1970 by Houghton Mifflin