Mark Lardas holds a degree in Naval Architecture and Marine Engineering, but spent his early career at the Johnson Space Center doing Space Shuttle structural analysis, and space navigation. An amateur historian and a long-time ship modeler, Mark Lardas is currently working in League City, Texas. He has written extensively about modeling as well as naval, maritime, and military history. 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 the Aztecs, the Greeks, several 19th-century American subjects, and a number of books in the Fortress series. His work features in exhibitions and publications throughout the world.