Ernest Schweibert- Nymphs
Gary Lafontaine- Caddisflies
Knopp and Cormier- Mayflies
Stark,Szczytko,Nelson- American Stoneflies- A Photographic Guide to Plecoptera

.... another comes to mind but I can't recall it. It was based on north-eastern US trout streams. carp ....... this is bugging me .......