Two children who think they are going off on a vacation with their aunt find themselves kidnapped and part of a secret island colony made up of just old people.
- ISBN10 0374480168
- ISBN13 9780374480165
- Publish Date 1 October 1988
- Publish Status Active
- Out of Print 13 July 2011
- Publish Country US
- Imprint Farrar, Straus & Giroux Inc
- Edition New edition
- Format Paperback
- Pages 207
- Language English