51 books • 3 series
Book #1: Soviet Spyplanes of the Cold War
Book #2: Russian Gunship Helicopters
Book #14: Red Star 14: Mil Mi-8 / Mi-17
Book #16: Red Star 16: Sukhoi Interceptors
Book #19: Red Star 19: Soviet Heavy Interceptors
Book #21: Red Star 21: Antonov's Jet Twins
Book #22: Red Star 22: Mil's Heavylift Helicopters