I've procured a pile of ebooks over the years from gigapedia.org, enjoy.
All PDF's
Holy War, Inc.: Inside the Secret World of Osama Bin Laden, by Peter Bergen
Psychology of Terrorism, by Bruce Bongar (Editor). Oxford University Press, 2006.
The Grand Chessboard: American Primacy And Its Geostrategic Imperatives , by Zbigniew Brzezinski
Deadly Connections: States that Sponsor Terrorism, by Daniel Byman. Cambridge University Press, 2005.
The Rise and Decline of the State, by Martin van Creveld
Bagley, Tennent. Spy Wars: Moles, Mysteries, and Deadly Games. New Haven: Yale University Press, 2008.
Routledge Studies in Intelligence Series
Jackson, Peter. Understanding Intelligence in the Twenty-First Century: Journey in Shadows. New York: Routledge, 2004.
Davies, Philip. Mi6 and the Machinery of Spying: Structure and Process in Britain's Secret Intelligence. London: Frank Cass, 2004.
Phythian, Mark. Intelligence Theory: Key Debates and Questions. New York: Routledge, 2008.
Bookmarks