The performers in the circus ring increase in number from one to ten.
- ISBN10 0670800252
- ISBN13 9780670800254
- Publish Date 28 March 1985 (first published August 1969)
- Publish Status Out of Print
- Out of Print 12 June 1992
- Publish Country GB
- Publisher Penguin Books Australia
- Imprint Viking Children's Books
- Edition New edition
- Format Hardcover
- Pages 32
- Language English