The Great War of 1914-18 was the first conflict in which aircraft played a significant role. It was dangerous and sometimes exciting, and it created and accelerated rapid technological change in the field of aeronautical engineering. The men who served as pilots, observers, gunners, and mechanics signed up for an unknown endeavour and opened up a new chapter in warfare. War among the Clouds examines the experience of the more than 250 New Brunswickers who served in the British air services during the First World War. While most who saw active service at the front fought in France and Belgium, many served in Italy, Egypt, Macedonia, and Russia. Still others remained behind in Britain or Canada, training new recruits. Drawing on diaries and letters of airmen, newspaper reports, and archival images and documents, J. Brent Wilson tells the story of a group of men who were forerunners in their field and laid the foundation for the RCAF.