Matching the hatch is arguably one of the most satisfying ways to catch a trout with a fly rod.  This detailed guide will help you identify the major insect hatches of Western streams.  It is full of useful information about the insects including fly patterns that match the naturals and strategies to fish them effectively.  The text is accompanied by full color photos of the insects in their various stages of development and the appropriate flies.  This book is a must have for the angler who is still learning the various insect hatches on Western trout streams.