Alejandro de Quesada is a Florida-based military history writer, an experienced researcher and collector of militaria, photos and documents and runs an archive as a secondary business. He has written 12 books and over 50 articles, including for Osprey Elite 137 The Mexican Revolution 1910–20 and World War II US Home Front. Stephen Walsh studied Art at the North East Wales Institute and has worked as a professional illustrator since 1988. Since then he has illustrated a variety of books and games including the Settlers of Catan. His projects for Osprey include such diverse subjects as the Battle of Otterburn, the Chinese army 1937–49 and the US Home Front 1941–45. He is married with two children and lives in Macclesfield.