David Nicolle, born in 1944, worked in the BBC's Arabic service for a number of years before gaining an MA from the School of Oriental and African Studies, London, and a doctorate from Edinburgh University. He has written numerous books and articles on medieval and Islamic warfare, and has been a prolific author of Osprey titles for many years.
Christa Hook began her illustrating career in 1986, after studying under her father Richard Hook. Her work has featured extensively in the worlds of publishing and television and, having illustrated over 30 Osprey titles, she has established herself as one of their most popular artists. Her illustrations combine the historian's attention to detail with the artist's sense of drama and atmosphere, and they are sought after by collectors worldwide. Christa lives and works in East Sussex, England.