Carl Gustaf Emil Mannerheim is a legendary figure, whose life and career were deeply influential in Finnish and European history. He is viewed by many as the father of modern Finland after leading the 'White' faction to victory and independence in the Finnish Civil War of 1918. That conflict preceded a sequence of bitter clashes between Finland, Soviet Russia and Nazi Germany in the buildup to, and during, World War II: The Winter War in 1940, the Continuation War and the Lapland War in 1944-45. Throughout these fierce clashes in the ice and snow, Mannerheim managed his forces with great...