[en] [Lacey & Casey 01] • The Adventures of Vin Fiz Philomel Books
[en] [Aeolus Investigations 04] • Gambler Robert C Kirk
[en] [Aeolus Investigations 02] • Avenger Robert C. Kirk
[en] [Aeolus Investigations 03] • Paladin Robert C. Kirk
[en] Red Hatchet Falls Tirgearr Publishing
[en] Fallen Astronauts · Heroes Who Died Reaching for the Moon Bison Books
[en] Cloud Cover Cliff Edge Publishing
[en] Aethosphere Chronicles · Winds of Duty Jeremiah D. Schmidt
[de] [Aelwyn 01] • Der Turm der Zeit Heyne
[en] [Gutenberg 57008] • The Haunted Hangar / Sky Scouts/Air Mystery series #3 The Saalfied Publishing Company
[en] [Gutenberg 63394] • Bill Bolton and the Flying Fish Goldsmith
[en] [Gutenberg 64184] • The Airship Boys in the Great War · or, The Rescue of Bob Russell Reilly & Britton
[en] [Gutenberg 58407] • Bill Bolton and the Winged Cartwheels Goldsmith
[en] [Gutenberg 63599] • When Thoughts Will Soar · A romance of the immediate future Forgotten Books
[en] [Gutenberg 48536] • The Motor Boys on the Border; Or, Sixty Nuggets of Gold Forgotten Books
[en] [Gutenberg 46127] • The Motor Boys Over the Ocean; Or, A Marvelous Rescue in Mid-Air Project Gutenberg