Robbie MacNiven has a PhD in American Revolutionary War massacres from the University of Edinburgh and a War Studies MLitt from the University of Glasgow, where he studied the Vietnam War. Besides writing for Osprey, he writes science fiction and fantasy novels as well as producing game scripts and audio dramas.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 Settlers of Catan. His projects for Osprey include such diverse subjects as the battle of Otterburn, the Chinese army from 1937 to 1949 and the US Home Front in World War II.