Dave's guide is recognized as the standard and a must read for trout fly fishers who want to understand what trout eat and how to use that information to select a fly. Dave's easy to understand and thorough text, along with his accurate and handsome illustrations, make this book an invaluable addition to every fly fisher and fly tyer's library. 

This superb guide is filled with scores of practical observations on all of the important aquatic trout foods of importance to fly fishermen. The chapters include: Concepts of Imitation; Water; How Trout Feed; Mayflies; Stoneflies; Caddisflies; Midges and Craneflies; Dragonflies and Damselflies; Crustaceans; Forage Fish; Leeches, Eels, and Similar Trout Foods. Dave Whitlock's Guide to Aquatic Trout Foods is an indispensable handbook for all serious fly fishermen.