It is a war with many names - The Yom Kippur War, the Ramadan War, the October War. What is clear 50 years after it was fought is that it was a conflict that really did change the world. Michael Goldfarb tells the story of the war that began on the 6 October 1973 and ended less than three weeks later - yet somehow the Israeli and Arab states combatants, as well as the rest of the world, still live with the aftermath today.