contributions by
Michael K. Brett-Surman, Thomas R. Holtz, James O. Farlow, David A.E. Spalding, William A.S. Sarjeant, Hugh Torrens, Hans-Dieter Sues, Edwin H. Colbert, David D. Gillette, Ralph E. Molnar, Corwin Sullivan, David W.E. Hone, Xing Xu, David Dilkes, John R. Hutchinson, Casey M. Holliday, Lawrence M. Witmer, Emily Buchholtz, James I. Kirkland, Ralph E. Chapman, Art Andersen, Brent H. Breithaupt, Neffra Matthews, Mary H. Schweitzer, Mark Marshall, Kenneth Carpenter, Douglas Henderson, J. Michael Parrish, Michael J. Benton, Darren Naish, Adam M. Yates, Jeffrey A. Wilson, Kristina Curry Rogers, Peter M. Galton, Peter J. Makovicky, Richard J. Butler, Paul M. Barrett, Bruce H. Tiffney, Karen Chin, Terry D. Jones, Nicholas R. Geist, Darla K. Zelenitsky, Jack Horner, R.E.H. Reid, Donald M. Henderson, Elizabeth Rega, Kenneth J. McNamara, John Long, John Ruben, Willem J. Hillenius, Amy E. Harwell, Devon E. Quick, Gregory S. Paul, Nicholas Fraser, Matthew T. Carrano, J. David Archibald, Daniel J. Chure, Kevin Padian & Elizabeth K. Burton
illustrated by
Bob Walters
