Caroline finds a pair of magic spectacles which reveal a hidden world at the center of New Zealand, a world threatened with destruction if the spectacles fall into the wrong hands.
- ISBN10 0140315802
- ISBN13 9780140315806
- Publish Date 29 September 1983 (first published 26 February 1981)
- Publish Status Out of Print
- Out of Print 13 August 1999
- Publish Country GB
- Imprint Puffin Books
- Edition New edition
- Format Paperback
- Pages 96
- Language English