Uncle Grigorian, who turns out to be an alien, takes the Price twins and their cousin Tubs to the capital of the Galactic Empire, where they serve as unbiased arbitrators in the Worm War.
- ISBN10 0590425072
- ISBN13 9780590425070
- Publish Date 31 December 1991 (first published 1 January 1990)
- Publish Status Unknown
- Out of Print 28 May 2021
- Publish Country GB
- Imprint Scholastic
- Format Paperback
- Pages 10
- Language English