Brief text and illustrations introduce the characteristics and natural environment of thirteen early dinosaurs such as Saltopus and Dimetrodon. Includes a glossary of terms and miscellaneous facts about dinosaurs.
- ISBN10 0440403731
- ISBN13 9780440403739
- Publish Date 1 October 1990 (first published March 1989)
- Publish Status Active
- Publish Country US
- Imprint Yearling Books
- Format Paperback (US Trade)
- Language English