Career
His books include Classic Walks in Great Britain, The Hillwalker"s Manual, Exploring The Lakes and Low Fells, A Year in the Life.. series and the best-selling Complete Lakeland Fells. The hills listed in the latter book have become known as Birketts (see Hill lists in the British Isles). He is a regular contributor to The Great Outdoors, Climber, Climb, On the Edge, High and Cumbria magazines.