Over 500 fly patterns from Idaho, Montana, Wyoming, and more. Includes nymphs, dry flies, emergers, & streamers. Accurate recipes from the originators of the patterns.ABOUT THE AUTHORBruce Staples of Idaho Falls, Idaho, has fly-fished the Greater Yellowstone area for thirty-five years. His articles have appeared in Fly Tyer, American Angler, Fly Fishing the West, Yellowstone-Teton Country, and Fly Fisher magazines. He is the author of Snake River Country Flies and Waters, The Yellowstone Park River Journal, and Trout Country Flies.