Re: Book on Hatches.
One of the best sources of information is available by going to the LRO website's homepage and clicking on the fishing reports or conditions. They always list a pretty accurate selection of flies that are currently producing.
"Fly-fishing has many attributes, but none more pleasing than it's ability to liberate the young boy that still hides within me and to let that boy live again without embarrassment or regret, sorrow or anguish." Harry Middleton