Ralph, hoping to impress the local bicycle racing team, uses his secret rocket engine in a race against his friend Dudley, but afterwards only Dudley is asked to join the team.
- ISBN10 0670372609
- ISBN13 9780670372607
- Publish Date 28 September 1984
- Publish Status Out of Print
- Out of Print 23 April 2014
- Publish Country US
- Publisher Penguin Books Australia
- Imprint Viking Children's Books
- Format Hardcover
- Pages 32
- Language English