When Thump thumps Plunk's doll Plunkit, an argument starts which their mother resolves.
- ISBN10 0756903866
- ISBN13 9780756903862
- Publish Date 1 January 2001 (first published 1 September 1981)
- Publish Status Out of Print
- Out of Print 4 June 2021
- Imprint Perfection Learning
- Format Hardcover (Library Binding)
- Pages 23
- Language English