Alan Leftridge Alan Leftridge has served as a seasonal naturalist in Yellowstone National Park and a wilderness ranger in the Mission Mountains Wilderness. He earned a bachelor's degree in biology at the University of Central Missouri, a secondary teaching credental from the University of Montana, and a Ph.D. in science education and cultural geography at Kansas State University. His career has included teaching high school science in West Yellowstone, science courses at Miami University, and environmental studies at Humboldt State University. The Best of the Black Hills is his seventh book with Farcountry Press; his other titles are The Best of Yellowstone National Park, The Best of Rocky Mountain National Park, The Best of Olympic National Park, The Best of Glacier National Park, Glacier Day Hikes, and Going to Glacier National Park. Read More Read Less