‘An extraordinary treasure trove’ Andrew MarrA unique collection of unpublished letters from the climbing legend George Mallory to his family, revealing his innermost thoughts about people, places and mountains.On the 8th of June, 1924, George Mallory and Sandy Irvine were seen through a telescope on the upper slopes of Mount Everest. They were never seen alive again. In 1999, Mallory’s body was found below the ridge where he was last seen. In the 100 years...