Bill Birkett is one of the world's foremost mountain writers and photographers, and is a leading climber who has undertaken many expeditions around the world.
His books include Classic Walks in Great Britain, The Hillwalker's Manual, 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 and Climber magazines.
He is a member of the Climbers' Club, the Fell and Rock Climbing Club and the Outdoor Writers' Guild.