" This is a history of the use of intelligence of a variety of types in war. The main thesis is that human intelligence (spying, espionage, etc.) is usually associated with intelligence but that the most important forms of intelligence are actually based on electronic surveillance and code decryption. This is a fine and interesting point. The presentation, however, tends to focus less on intelligence and more on warfare and the narratives of particular battles where intelligence played some role, but the role of intelligence is often minimal. For instance, an entire chapter is devoted to Nelson chasing Napoleon around the Mediterranean because he didn't know where Napoleon's ships were as there was no way to gather such information at that time. Using this to make a point is fine, but the chapter went into great depth about what is a relatively uninteresting example from an intelligence standpoint. On the other end of the title is the role of intelligence in the battle against Al Qaeda, which seems like it should provide a wealth of positive examples. I guess this was a naive hope on my part (though one that was based largely on the title of the book) as much of that information must necessarily be classified, but the entire discussion takes up a brief reference in the Afterward. The book is mostly well written (a few places where it could use some improved editing, but nothing major) and probably interesting to those who enjoy warfare narratives, but it was disappointing from the standpoint of wanting to understand intelligence and intelligence gathering better. "
— Scott, 2/20/2014