As a historian, Jonathan Dimbleby has written several good books about the second world war. But this is the most interesting. It is not about “turning points”, those diamonds of interpretation that authors love to dig up, sharpen and mount on an alluring book jackets. Instead, Endgame 1944 is about what happened after a turning point, about the gigantic consequences as the inevitable slouched out of the future into the present. At the core of Dimbleby’s book is Operation Bagration, on the war’s eastern front. It was named after the famous Russian general who died of wounds in 1812, resisting...