Steven J. Zaloga received his BA in History from Union College and his MA from Columbia University. He has worked as an analyst in the aerospace industry for over three decades, covering missile systems and the international arms trade, and has served with the Institute for Defense Analyses, a federal think tank.

He is the author of numerous books on military technology and military history, with an accent on the US Army in World War II as well as Russia and the former Soviet Union. He lives in Maryland, USA.

Adam Hook studied graphic design, and began his work as an illustrator in 1983. He specializes in detailed historical reconstructions, and has illustrated Osprey titles on subjects as diverse as the Aztecs, the Ancient Greeks, Roman battle tactics, several 19th-century American subjects, the modern Chinese Army, and a number of books in the Fortress series.

His work features in exhibitions and publications throughout the world. He lives in East Sussex, UK.