A lot of fishing reference books including Fly Fishing by J R Hartley, Fly - Frankie McPhillips Iris

Fly Fishing Books – Perfect Hatch

A Fly Fisher's Gift Guide - Troutbitten's Favorite Books - Troutbitten

Fly-Fishing Heresies, a book review - Simpson Fly Fishing

Fishing Books, Fishing Gear, The Fishin' Hole

A Fly Fisher's Gift Guide - Troutbitten's Favorite Books - Troutbitten

9780091751920 - AbeBooks

Fly fishing : memories of angling days : Hartley, J. R : Free Download, Borrow, and Streaming : Internet Archive