Two sisters and the runaway cousin for whom they are searching on a island find themselves in an unexpected adventure.
- ISBN10 0590440101
- ISBN13 9780590440103
- Publish Date 1 February 1985 (first published 24 October 1983)
- Publish Status Out of Print
- Out of Print 5 January 2017
- Publish Country US
- Imprint Scholastic
- Format Paperback (US Trade)
- Language English