When Mr and Mrs Bird discover a strange egg in their nest they try to hatch it.
- ISBN10 0394835654
- ISBN13 9780394835655
- Publish Date 21 March 1985 (first published 1 October 1969)
- Publish Status Out of Print
- Out of Print 6 December 1991
- Publish Country GB
- Publisher Cornerstone
- Imprint Random House Audiobooks
- Format Paperback
- Pages 32
- Language English