3 books in series

Osprey Aircraft of the Aces

Osprey Aircraft of the Aces is a 2-book series with 3 primary works first released in 1998 with contributions by Kari Stenman, Kalevi Keskinnen, Leonid Krylov, and Istvan Toperczer.

Finnish Aces of World War 2
Soviet MiG-15 Aces of the Korean War
MiG-21 Aces of the Vietnam War