Discover Your Northwest operates a sales center at the Spalding Visitor Center of Nez Perce National Historical Park. They sell books, Nez Perce music, children's literature and Pendelton blankets. There is an online bookstore available and items can be purchased over the phone with a credit card. Call (208) 843-7001 for more information.
Big Hole National Battlefield is served by the Glacier National Park Conservancy. Big Hole's emphasis is the war and historical works related to the region. They can be reached by telephone at (406) 689-3155, ext. 1022.