While vacationing with relatives in Auckland, twins Theo and Rachel discover that they are endowed with special powers to oppose mysterious giant creatures that are determined to destroy the world.
- ISBN10 0195580400
- ISBN13 9780195580402
- Publish Date November 1979
- Publish Status Out of Print
- Out of Print 23 June 2000
- Publish Country GB
- Imprint Oxford University Press
- Format Hardcover
- Pages 164
- Language English