Nicholas Fraser is Curator of Vertebrate Paleontology and Director of Research and Collections at the Virginia Museum of Natural History. He lives in Martinsville, Virginia.Douglas Henderson's work has appeared in several national and international touring exhibits as well as numerous magazines and books, including the children's books Living with Dinosaurs, Dinosaur Tree, Dinosaur Ghosts, and, more recently, Asteroid Impact. He lives in Whitehall, Montana.