Various 
Routledge Library Editions: Historical Security 
12 Volume Set

This 12-volume set contains titles originally published between 1957 and 1992. International in scope, the set looks at security and military history covering several battles, particularly the first and second world wars. Highlighting the difference between theory and practice, it also explores the people involved in the policy making and strategy of war, and the leaders tasked with carrying those decisions out.