Restructured from Dr. Frank C. Craighead's popular book, illuminates the natural seasonal world of Yellowstone-Grand Teton National Parks. With text and numerous color photographs woven into a month by month timeline, park visitors will learn the activities and stages of the flora and fauna in the parks. Author Shirley A. Craighead, a naturalist in her own right, presents this nature calendar for young readers (ages 8 to 12), showing the most visible species as well as the most curious and hidden. Readers will learn what to look for when and how to know what is going on behind the scenes.