The nonprofit Yellowstone Association educates Yellowstone National Park visitors by offering trip planners, books, videos, and guided classes through Yellowstone Park by our field institute. The Yellowstone Association is located in Yellowstone National Park and promotes preservation of Yellowstone National Park through its educational Park Store bookstores, publication of books, and funding provided to Yellowstone through membership and sales of educational materials to park visitors. Since 1933, the Yellowstone Association has been the National Park Service’s official partner in education in Yellowstone National Park.