Porcellus tries very hard to get rid of the two ugly bumps on his back until he discovers that they are wings and help him save the day.
- ISBN10 0803704860
- ISBN13 9780803704862
- Publish Date 30 October 1988
- Publish Status Out of Print
- Out of Print 1 June 2017
- Publish Country US
- Imprint Penguin Books Ltd
- Format Hardcover
- Language English