Charles Craighead grew up in Jackson Hole in a family of naturalists, was trained as a biologist and has worked on research projects ranging from Grizzly Bears to Golden Eagles. His desire to communicate the beauty and complexity of the natural world to the public eventually led to a career in writing. He lives in Moose, WY.

A biologist with a background in animal behavior and environmental education, Henry H. Holdsworth has spent more than twenty years photographing wildlife and wilderness landscapes. Much of his work is centered on the natural history of threatened species. He lives in Jackson, WY.