In Aldo Leopold's Shack: Nina's Story, Nancy Nye Hunt tells the remarkable tale of the famous Leopold family's efforts to restore a worn-out farm along the lower Wisconsin River near Baraboo in the 1930s during the Great Depression and into the 1940s. Aldo Leopold, the world-renowned ecologist and conservationist--along with Estella, his wife, and their five children and two dogs, Gus and Flick--spent most weekends and vacations living and...