Author Daniel Mathews provides in-depth scientific information on the natural world found between Grand Teton, Wyoming, and Jasper, Alberta. From conifers to lichens, grizzly bears to salamanders, and cutthroat trout to pine beetles this guidebooks provides a thorough reference for hikers, backpackers, and armchair naturalists. Beautifully illustrated with color photographs and line drawings, Mathews covers a thousand species of plants, animals, fish, birds, and insects found in the northern Rocky Mountains.