Konstantin Nossov is a researcher in and advisor on ancient and medieval arms, armour and warfare, as well as the author of numerous books and articles on the subject. His particular areas of interest include the history of weapons, fortification and siege warfare. He has always lived in Moscow, Russia, but has travelled extensively in Europe, North Africa, South Asia, Asia Minor and the Far East. Konstantin has written several Osprey books, as well as other English language titles and numerous books in Russian.Brian Delf began his career working in a London art studio producing artwork for advertising and commercial publications. Since 1972, he has worked as a freelance illustrator on a variety of subjects including natural history, architecture and technical cutaways. His illustrations have been published in over 30 countries. Brian lives and works in Oxfordshire.

Konstantin Nossov is a researcher in and advisor on ancient and medieval arms, armour and warfare, as well as the author of numerous books and articles on the subject. His particular areas of interest include the history of weapons, fortification and siege warfare. He has always lived in Moscow, Russia, but has travelled extensively in Europe, North Africa, South Asia, Asia Minor and the Far East. Konstantin has written several Osprey books, as well as other English language titles and numerous books in Russian.Brian Delf began his career working in a London art studio producing artwork for advertising and commercial publications. Since 1972, he has worked as a freelance illustrator on a variety of subjects including natural history, architecture and technical cutaways. His illustrations have been published in over 30 countries. Brian lives and works in Oxfordshire.