Christer Bergströ m works professionally as a teacher in English and Swedish history and is the author of several highly-acclaimed books on Second World War aviation, including Black Cross/Red Star Volumes 1 and 2 (with Andrey Mikhailov), Graf and Grislawski - A Pair of Aces (with Vlad Antipov and Claes Sundin) and Luftwaffe Fighter Aircraft in Profile Volumes 1 and 2 (with Claes Sundin) as well as the Eastern Front titles in the Classic Publications’ Jagdwaffe series.