E. J. Craine 's Books
A very well recieved series by E. J. Craine are the books, featuring tropes. The most popular books are Airplane Boys in the Black Woods, Air Mystery of Isle La Motte, Air Service Boys over the Atlantic; Or, The Longest Flight on Record, Air Service Boys Over The Rhine; Or, Fighting Above The Clouds, Air Service Boys Flying for Victory; Or, Bombing the Last German Stronghold, Air Service Boys in the Big Battle; Or, Silencing the Big Guns, Air Service Boys Over the Enemy's Lines; Or, The German Spy's Secret, which was published in 2022.