A duo of young swamp monsters who are convinced that children are make-believe find themselves in a school with real children and a substitute teacher.
- ISBN10 0803776144
- ISBN13 9780803776142
- Publish Date 28 March 1983
- Publish Status Out of Print
- Out of Print 10 December 2011
- Publish Country US
- Imprint Penguin Books Ltd
- Format Paperback (US Trade)
- Language English