Bombers
GORDON, Yefim & KHAZANOV, Dmitri
Soviet Combat Aircraft of the Second World War
Volumes 1 & 2
Fine two volume study with photographs throughout.
Volume One - Single-Engined Fighters
Volume Two - Twin-Engined Fighters, Attack Aircraft, and Bombers.
GOULDING, James & MOYES, Philip
RAF Bomber Command and its Aircraft
Volumes 1 & 2
Two volumes, the first covering the period 1936-1940 and the second 1941-1945.
GREEN, William
Famous Bombers of the Second World War
Volumes 1 & 2
Survey of the primary bombers of WWI, first published in two volumes in 1959 and 1960 with a combined revised edition issued in 1975. The history and detail of each aircraft type is supported with numerous photographs and drawings.