Sierra Club Books Track of the Grizzly
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Track of the Grizzly is Frank C. Craighead's in-depth account of the thirteen year study of grizzlies in the three states Yellowstone National Park. In this book, Craighead reports his research findings of the bears' feeding and breeding habits, life spans, seasonal movements, and social organization. Track of the Grizzly is a natural history classic and a must read for any wildlife enthusiast.