Once more the team from Wings and Wheels publications have surprised the helicopter researchers with the new Title in the Blue Line Present Aircraft Series No 11, ISBN no 80-86416-38-0. This edition is all about the Mil Mi-4 /4A Hound in Detail. The authors are Frantisek Koran and Miroslav Khol. Published in the now familiar format and it has 72 pages crammed full with 278 photographs, 10 side