Covers: Open Library
Covers: Open Library

Describes dinosaurs from the Triassic, Jurassic, and Cretaceous periods.
| Format | Publisher | Year | ISBN |
|---|---|---|---|
| Edition | Thunder Bay Press | 2005 | 9781592234042 |
| Edition | Tandem Library | 2002 | 9780613455824 |
| Edition | DK Pub. | 2001 | 9780789479723 |
| Edition | Tandem Library | 1999 | 9780613098113 |
| Edition | Tandem Library | 1999 | 9780613098182 |
| Edition | Davidson Titles Inc | 1998 | 9781884756610 |
| Edition | Davidson Titles Inc | 1998 | 9781884756641 |
| Edition | Davidson Titles Inc | 1998 | 9781884756627 |
| Edition | Davidson Titles Inc | 1998 | 9781884756634 |
| Edition | Davidson Titles Inc | 1998 | 9781884756603 |
| Edition | HarperCollins | 1996 | 9780001979109 |
| Paperback | Boyds Mills Press | 1996 | 9781563975325 |