Originally published in 1918, this work describes the development and uses of aviation during the First World War. It includes details on observation balloons, bomber planes, and also the fighter Aces of the Allied Forces. This book is part of the World War One Centenary series; creating, collating and reprinting new and old works of poetry, fiction, autobiography and analysis. The series forms a commemorative tribute to mark the passing of one of the world's bloodiest wars, offering new perspectives on this tragic yet fascinating period of human history. Each publication also includes brand new introductory essays and a timeline to help the reader place the work in its historical context.