Conrad Anker is a professional mountaineer who has made breakthrough first ascents around the world, from the Himalayas to Antarctica and Patagonia. Conrad Anker is a professional mountaineer who has made breakthrough first ascents around the world, from the Himalayas to Antarctica and Patagonia. David Roberts, a mountaineer with extensive Alaskan experience, is the author of many books. David Roberts worked in publishing for over thirty years, most recently as a director, before devoting his energies to writing full time. He is married and divides his time between London and Wiltshire.

Conrad Anker is a professional mountaineer who has made breakthrough first ascents around the world, from the Himalayas to Antarctica and Patagonia. Conrad Anker is a professional mountaineer who has made breakthrough first ascents around the world, from the Himalayas to Antarctica and Patagonia. David Roberts, a mountaineer with extensive Alaskan experience, is the author of many books. David Roberts worked in publishing for over thirty years, most recently as a director, before devoting his energies to writing full time. He is married and divides his time between London and Wiltshire.