David Reynolds 
Long Shadow (A Book to Read World War I, BBC Documentary Script) 

This book tells about the shock of the First World War to the entire western world, which ran throughout the 20th century — the Cold War, the drastic changes in Eastern Europe and so on. Topics discussed in the book include: democracy and empire, nationalism and capitalism, art and poetry, peace and war and so on, covering a wide range of historical scenes. The author combines humanities, the state and ideas, and goes beyond traditional historical narratives. In addition to politics, diplomacy, and national security, he continues to research economics, art, and literature.