B-17 Flying Fortress, Vol. 1 : Boeing's Model 299 through B-17D in World War II. David Doyle. 9" x 9". The B-17 Flying Fortress is one of the most iconic aircraft in aviation history. Through a broad range of photos gathered from around the world, this book, the first of a two-volume series, chronicles the design, development, and wartime use of the early models of the Flying Fortress, from the ill-fated experimental model 299 through the B-17D, including the famous "Swoose."