Shackleton-admirer and special forces officer Henry Worsley's attempt to cross the Antarctic with descendents of Shackleton's crew in 2008, and then his attempt to cross it alone in 2015, in intense detail from the author of }Killers Of The Flower Moon{ By the Sunday Times bestselling author of Killers of the Flower Moon, a powerful true story of adventure and obsession in the Antarctic, lavishly illustrated with colour photographs