Most books when discussing WWII and the lead-up cover at great lengths the overall political atmosphere in the weeks and months prior to the war. This book covers in great detail the 24 hour period of 3 September 1939, the day Britain and France declared war on Germany. It covers major political events, the last ditch efforts by all parties, and neutral parties, to prevent war. It also covers a few major military events that occurred on that day that fueled the fire. Overall a quick and informative read.