Western Mayfly Hatches: From the Rockies to the Pacific by Rick Hafele & Dave Hughes. With Fly Pattern photographs by Jim Schollmeyer, Illustrations by Richard Bunse, and Flies tied by John Childs.
Paperback, 2004 1st edition, 267 pages including the Index. This copy is in near perfect condition with the only flaw to report being a touch of rub on the cover.