Describes the physical characteristics and probable behavior of this herbivorous dinosaur with spiked thumbs.
- ISBN10 0836810457
- ISBN13 9780836810455
- Publish Date 1 September 1993
- Publish Status Active
- Out of Print 11 December 2011
- Publish Country US
- Imprint Gareth Stevens Inc,US
- Format Hardcover (Library Binding)
- Pages 24
- Language English