[en] Ken Follett Signet Book
[en] [Wind in the Wire 01] • The Beekeeper's Bullet Wild Rose Press
[en] The B-17 · the Flying Forts I Books
[en] Whirl of the Wheel Catherine Condie
[en] [Gutenberg 51796] • The Secret Battleplane Ozymandias Press
[en] [Gutenberg 44813] • Sally Scott of the WAVES Whitman
[en] [Gutenberg 10584] • Air Service Boys over the Atlantic; Or, The Longest Flight on Record Kessinger Publishing
[en] The Arsenal of Democracy Houghton Mifflin Harcourt
[en] The Reconstruction of Warriors Frontline Books
[en] Captured Memories 1900-1918 · Across the Threshold of War Pen & Sword Military
[en] The Baby Killers · German Air Raids on Britain in the First World War Pen & Sword Books
[en] The Millennium Seven Stories Press
[en] The War in the Air Ktoczyta.pl
[en] Hidden Warbirds Zenith Press
[en] Eland Dances Philip van Wulven
[en] Beautiful Journey Bella Books
[en] The Changing Face of War Presidio Press