Powerful images and cross-referenced entries tell the story of World War I, with its bloody ground fighting, sea battles, air clashes, and main players. Maps and chronologies reveal the intricacies of every campaign, breaking down each nation's involvement: the advance on the Western front, Russians striving to defend their borders, the disaster at Gallipoli, and struggles in the Balkans, Turkey, Palestine, and East Africa. All the weapons--many then new--are here. Plus: important thematic issues, like women at war.