Billy was a happy baby with a great big toothless smile, until the day he roared and roared and it took the whole family a long time to find out why.
- ISBN10 0099874407
- ISBN13 9780099874409
- Publish Date 20 August 1992 (first published 4 April 1991)
- Publish Status Out of Print
- Out of Print 10 August 2021
- Publish Country GB
- Publisher Penguin Random House Children's UK
- Imprint Red Fox
- Edition New edition
- Format Paperback
- Pages 32
- Language English