In a story with several possible endings, readers are cast in the role of a young person who must save the world's coolest grandma from her alien kidnappers.
- ISBN10 0439014794
- ISBN13 9780439014793
- Publish Date 17 March 2000 (first published 1 January 1997)
- Publish Status Out of Print
- Out of Print 25 February 2010
- Publish Country GB
- Publisher Scholastic
- Imprint Scholastic Hippo
- Format Paperback
- Pages 144
- Language English