Barr is the most successful designer of commercially distributed flies in the world. The Barr Emerger is an unrivaled pattern for western mayfly situations, and the Copper John has evolved into the most popular fly of the millennium. Learn Barr's methods for tying his favorite flies, with step-by-step instructions and clear color photos so even inexperienced tiers can create the Copper John, Barr Emerger, B/C Hopper, Tung Teaser, Slumpbuster, and more.