The First World War was perhaps the most traumatic event of the Twentieth Century. Millions of men, women and children were affected by it. And it still has a resonance today more than a hundred years after the Armistice. This guide offers a simple, yet comprehensive, guide to researching the men and women from Britain - and its dominions and colonies - who took part in the First World War either at the front or at home It is an accessible, up-to-date and expert introduction to get you on your way and to answer those questions you might come across during your researches. In a straightforward, easy-to-follow style the book introduces readers to the multitude of sources they can use to explore the history of the First World War for themselves. In a series of short, instructive chapters the book takes the reader through the process of researching ancestors who served during the First World War providing short cuts and background information as required. The book covers the key sources, including the National Archives and the many online sites that researchers can turn to. It also covers records of casualties, munitions workers, conscientious objectors and service personnel from the British Dominions.