Henry Sakaida was born in Santa Monica, California in October 1951. He became interested in Russian/Soviet culture and war history after taking a Russian language course and has travelled to the Ukraine and Russia twice to conduct research. He is an experienced author and has written a number of books about his other main interest, Japanese combat aviation history, including 3 for Osprey. Henry lives with his wife and 2 children in Temple City, 15 miles east of Los Angeles.

Christa Hook began her illustrating career in 1986 and has since established herself as one of Osprey's most popular illustrators. Her illustrations combine the historian's attention to detail with the artists's sense of drama and atmosphere, and they are sought after by collectors worldwide. She has had work selected for the Laing Land and Seascape Exhibition 2000 at the Mall, and the Not the Royal Academy Exhibition 2000 at the Llewellyn Alexander Gallery.
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. She has established herself as one of Osprey's most popular artists, having illustrated multiple series titles. 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.