Civilian warriors: the inside story of Blackwater and the unsung heroes of the War on Terror / Erik Prince, afterword by Max Boot. — New York: Penguin Group LLC, 2013. – 270 pp
Civilian warriors: the inside story of Blackwater and the unsung heroes of the War on Terror / Erik Prince, afterword by Max Boot. — New York: Penguin Group LLC, 2013. – 270 pp