When Hillsdale's pets begin to disappear, it is up to eleven-year-old Cassie, her classmate Ben, and Zeke, a boy from outer space, to figure out what is happening to them.
- ISBN10 1562826832
- ISBN13 9781562826833
- Publish Date 1 May 1994
- Publish Status Out of Print
- Out of Print 23 June 2021
- Publish Country US
- Imprint Hyperion Books
- Format Paperback (US Trade)
- Pages 112
- Language English