A detailed fly fishing guide book by Renee Harrop. The Henry's Fork is one of the most challenging spring creeks in the world and Harrop has developed techniques & flies to meet it. He shares his wisdom on the importance of insect stages, the flies for a successful fly box, and how to prepare for a trip to unfamiliar water. There are chapters on important insects as well as the patterns that inspire fly tiers the world over. 288 Color Photos, 99 Color & B&W illustrations. Harrop records lessons learned from years fishing the world's toughest trout water. Chapters on midges, caddis, Callibaetis, Tricos, PMDs, hoppers, beetles, aquatic wasps, & Baetis give solid inside information on each of these important insects as well as the patterns René uses to imitate them, patterns that inspire fly tiers the world over. Fly fishing guide book in hard cover. 209 pages.