Spencer Lucas is the Curator of Paleontology at the New Mexico Museum of Natural History and Science and a recognized expert in the field. He has published numerous books on dinosaurs, the most recent of which is Dinosaurs: The Textbook (CUP forthcoming). He has 16 years of museum experience and 17 years of teaching experience at the university level.Spencer G. Lucas is the curator of paleontology at the New Mexico Museum of Natural History and Science. He has published more than 500 scientific articles and authored or coedited close to twenty volumes, including Chinese Fossil Vertebrates (2001).

John Cisne, professor of earth and atmospheric sciences, Cornell University:
This book is the best available introduction to dinosaurs for college students, as earlier editions have been.

Sherwood W. Wise Jr., professor of geological sciences, Florida State University:
I don't think that you can produce a better book than what Spencer Lucas has written. It has been well proved over many years, and this thoroughly updated edition meets the demands of the rapidly evolving science.