A history of warfare

In A History of Warfare, Keegan outlines the development and limitations of warfare from prehistory to the modern era. It looks at various topics, including the use of horses, logistics, and "fire". One key concept put forward is that war is inherently cultural. In the introduction, he rigorously denounces the idiom "war is a continuation of policy by other means", rejecting on its face "Clausewitzian" ideas