Discusses what is known and what is hypothesized about the dinosaur that terrorized other dinosaurs.
- ISBN10 0516462792
- ISBN13 9780516462790
- Publish Date 1 October 1988 (first published 1 September 1988)
- Publish Status Out of Print
- Out of Print 7 August 2012
- Publish Country US
- Imprint Child's World
- Format Paperback (US Trade)
- Language English