Ted Leeson and Jim Schollmeyer team up to pair incredible photos with descriptions of insects and solid information on the hatch, life cycle, fly patterns, and step-by-step tying instructions in this authoritative reference to imitating the important trout food forms in rivers and streams of the West. This comprehensive guide includes 150 patterns to match the super hatches of greatest significance to western anglers: mayflies, caddisflies, stoneflies, midges, terrestrials, aquatic worms, baitfish, sculpin, fish eggs, leeches, scuds, and sowbugs. With 1,356 photographs including the undersides of insects to give the trout's eye view, ideal for matching what the trout sees.