Author and photographer of Visions and Voices: Montana's One-Room Schoolhouses, The Cow's Boy: The Making of a Real Cowboy, and The Cow's Girl: The Making of a Real Cowgirl, Charlotte Caldwell has been a member of the North American Butterfly Association, the Xerces Society, the Society of Children's Book Writers and Illustrators, and the North American Nature Photographers Association. Ten photographs from Kirby's Journal were chosen through a jury of professional photographers for presentation at the 2010 North American Nature Photographer's Annual Summit Show. A graduate of Middlebury College, she holds master's degrees in environmental studies from Antioch University New England and in special education from the University of Hartford. Caldwell divides her time between Charleston and her family's ranch in Clyde Park, Montana.