Chris McGowan is retired as the curator in the dinosaur department of Canada's Royal Ontario Museum in Toronto. An esteemed paleontologist and former professor of zoology at the University of Toronto, veteran of dinosaur digs around the world, and the author of several other books for young audiences, Chris lives in Toronto.
Erica Lyn Schmidt is a recent graduate of the Milwaukee Institute of Art & Design, where she won the Best of Show prize in the 2006 graduate exhibition. Among her illustration clients are the Burpee Museum of Natural History in Rockford, IL and the North Carolina Museum of Natural Sciences. She lives in Portage, WI.