After transforming a football into a toaster and a cat into a canary, Sydney's new invention creates unexpected problems by changing Sydney into his dog and his dog into Sydney.
- ISBN10 0833546228
- ISBN13 9780833546227
- Publish Date 20 March 1989 (first published 1 April 1987)
- Publish Status Out of Print
- Out of Print 7 April 2021
- Imprint Turtleback Books
- Edition Bound for Schools & Libraries ed.
- Format Hardcover (Library Binding)
- Pages 32
- Language English