ROBERT MANNING is Professor Emeritus at the University of Vermont where he taught the history, philosophy, and management of national parks and conducted a longterm program of research for the US National Park Service. MARTHA MANNING is an artist whose work is inspired by the out-of-doors; her work has appeared in national shows and publications. Bob and Martha have lived, worked, and walked extensively in the national parks. Their website is: www.extraordinaryhikes.com.
