This vintage hardcover book titled "Salmon on a Dry Fly" by Derek Knowles is a must-read for any sports enthusiast. It was published by Octopus in 1987 and has a total of 128 pages. The book is an excellent resource for learning about the art of flying in fishing. It features insightful tips and techniques that can help you become an expert in the field. The book's size is 230mm in height and 150mm in width, and it weighs 440g. The book is written in English and is an excellent addition to your library if you're interested in learning about sports and fishing.