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Nothing about the prose seemed compelling though there were points of interest that are notable in this work. Keegan took classic incidents in war where intelligence proved crucial for the action--Napoleonic wars, Jackson in the Shenandoah Valley, the invention of the wireless, Crete in WW II, Midway, the Atlantic War in WW II, and German advances late in WW II--then, he notes the limitation of intelligence and how it did not prove to be the crucial factor in the outcome. On Crete, for example, the British had detailed intelligence and yet, lost the engagement. He makes the point that force predominates over intelligence, advance knowledge or inside information does not always determine the outcome. More importantly, in the section on intelligence after 1945, he points out that intelligence can not ascertain the appropriate course of action. Saddam proved to be exceptionally obtuse and the Coalition acted on the limited intelligence available to them. The knowledge of intelligence can only go so far. Force is required although the popularizers of intelligence, mostly from novels, gives us the impression that intelligence reveals all. It does not. The key to Keegan's work, as a pre-eminent military historian, is in the subtitle: "The value--and limitations--of what the military can learn about the enemy."