Dave Whitlock 's art and writing appear regularly in many fly-fishing and sport publications such as Fly Fisherman , Fly Fishing and Tying Journal , Trout Magazine , In-Fisherman and Field & Stream . His books include Dave Whitlock's Guide to Aquatic Trout Foods , the L.L. Bean Fly Fishing Handbook , Imitating and Fishing Natural Fish Foods and Trout and Their Food . He continues to teach fishing and fly-tying programs around the country. He lives in Welling, Oklahoma.