Despite her mother's edict against pets in the apartment, eleven-year-old Billie is unable to resist a homeless puppy and enlists the help of her scientific friend Jody in making the little dog invisible.
- ISBN10 0525460780
- ISBN13 9780525460787
- Publish Date 1 November 1998 (first published 26 October 1998)
- Publish Status Active
- Out of Print 18 June 2016
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint E P Dutton & Co Inc
- Format Hardcover
- Pages 133
- Language English