Front cover image for The Wump world

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
Audiobooks
Ages 3-8.
1 audiocassette : analog + 1 story book (44 pages : color illustrations ; 25 cm).
9780395584125, 0395584124
750379459
Side 1, page turn signals; side 2, no page turn signals
Accompanying book, published 1970 by Houghton Mifflin