Twelve-year-old Harry is alarmed when his computer takes on a life of its own and zaps his obnoxious older brother.
- ISBN10 0395370272
- ISBN13 9780395370278
- Publish Date 1 November 1988 (first published 13 March 1986)
- Publish Status Out of Print
- Out of Print 15 December 2009
- Publish Country US
- Imprint Houghton Mifflin
- Format Paperback
- Pages 124
- Language English