Contributors are Michael K. Brett-Surman, Kathleen Brill, Kenneth Carpenter, Benjamin S. Creisler, Tony DiCroce, Andrew A. Farke, Peter M. Galton, David Gilpin, Thomas M. Lehman, Nate L. Murphy, Christopher J. Ott, Gregory S. Paul, Xabier Pereda Suberbiola, Albert Prieto-Marquez, Bruce Rothschild, José Ignacio Ruiz-Omeñaca, Darren H. Tanke, Mark Thompson, David Trexler, and Jonathan R. Wagner.
Kenneth Carpenter is the dinosaur paleontologist for the Denver Museum of Natural History and author of Eggs, Nests, and Baby Dinosaurs, editor of The Armored Dinosaurs and The Carnivorous Dinosaurs, and co-editor of Mesozoic Vertebrate Life and Thunder-Lizards, all published by Indiana University Press. He is also co-editor of Dinosaur Systematics, Dinosaur Eggs and Babies, and The Upper Jurassic Morrison Formation. He lives in Denver, Colorado.