3 books in series

Chronicles of the Pneumatic Zeppelin

Chronicles of the Pneumatic Zeppelin is a 3-book series with 3 primary works first released in 2013 with contributions by Richard Ellis Preston Jr..

Romulus Buckle & the City of the Founders
Romulus Buckle & the City of the Founders
Romulus Buckle & the Engines of War
Romulus Buckle & the Luminiferous Aether