10 Must-Read Nonfiction Books on Intelligence, Espionage, and Intrigue

I am an intelligence historian (yes, we exist, and while there aren’t many of us—my parents never believed I had a real job—we are out there). I am also an intelligence professional and work for the National Security Agency. There are thousands of books (both fiction and non) written on the “second oldest profession,” so how do we know which ones to read? The answer, of course, is “all of them.” Yet, sadly, most people don’t have the time to do that. Instead, I’m giving you the ten books that, taken together, do the best job of providing a broad sample of what’s available. If you are only going to read just a couple, or ten, or want to read a slew but need to know where to start, these are my recommendations.

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