It was Oscar's friend Billy who brought mud into the house, dressed the dog in Dad's clothes and put frogs in Granny's slippers - so why did Oscar get the blame? No one ever seemed to be able to see Billy - except Oscar, of course!
- ISBN10 1842703595
- ISBN13 9781842703595
- Publish Date 1 April 2004 (first published 22 October 1987)
- Publish Status Active
- Out of Print 11 August 2021
- Publish Country GB
- Imprint Andersen Press Ltd
- Format Paperback
- Pages 32
- Language English