Love history? Know your stuff with History in an Hour. World War Two was one of the most devastating conflicts the world has ever seen. Between 1939 and 1945 almost every country in the world was affected by the war in some way. World War Two: History in an Hour neatly covers all the major facts and events giving you a clear and straightforward overview of the politics involved, the violence that ensued and how it changed the world in unimaginable ways. World War Two: History in an Hour is engagingly written and accessible for all history lovers. Know your stuff: read about World War Two in just one hour. FULLY UPDATED AND REVISED.