Over the Front in an Aeroplane and Scenes Inside the French and Flemish Trencches

First published in 1915, with 15 illustrations. According to Wikipedia: "Influential publisher and socialite Ralph Pulitzer (June 11, 1879 – June 14, 1939) was the eldest son of newspaper magnate Joseph Pulitzer and Kate Davis Pulitzer. Upon his father's death in October 1911, he become president of the Press Publishing Company, which published the New York World and the Evening World. He thus acquired control of the influential New York City newspapers founded by his father. For decades, Ralph Pulitzer was one of the most influential men in American journalism."