David Mather is the author of Frog in the House, his first book for children. He is also an archaeologist with the Minnesota Historical Society. He often works with sites being considered for inclusion in the National Register of Historic Places. A specialist in Environmental Archaeology, he is most interested in past relationships between people, animals, plants, and the land. His writing has also appeared in the Minnesota Conservation Volunteer and The Minnesota Archaeologist. David lives near the Mississippi River in St. Paul with his wife, daughter, and the occasional froggy visitor.