Leroy Thompson has trained military and police special-operations units around the world, focusing especially on the tactical use of firearms. He is the author of more than 50 books, including The Browning High-Power Pistol for Osprey.
Alan Gilliland is a writer, illustrator and publisher who has contributed to more than 70 Osprey titles.
Peter Dennis studied Illustration at Liverpool Art College. He has since contributed to hundreds of books, predominantly on historical subjects, including many Osprey titles. A keen wargamer and modelmaker, he is based in Nottinghamshire, UK.