Robert Macfarlane is the author of Mountains of the Mind, The Wild Places and The Old Ways, and was the Chair of judges for the 2013 Man Booker Prize. Stanley Donwood is an artist. He has produced record covers for Radiohead and has exhibited worldwide. He is also the author of a collection of stories, Humour. Dan Richards is a writer. His first book was The Beechwood Airship Interviews, and his second, concerning his great-great-aunt the pioneering mountaineer Dorothy Pilley, is Climbing Days.