This is a major new series of histories of the armies of the key combatants in the Second World War. The books are written by leading military historians and consider key aspects of military activity for each of the major powers, including planning, intelligence, strategy and operations. As with the parallel Armies of the Great War series, military and strategic history is considered within the broader context of foreign policy aims and allied strategic relations, national mobilisation and the war's domestic social, political and economic effects.