DKI APCSS Professor Dr. Dr. Christopher C. Harmon finished his fifth book on terrorism and counterterrorism.  In January 2018 The Brookings Institution Press released The Terrorist Argument: Modern Advocacy & Propaganda, co-authored with Randall Bowdish, PhD. Unfortunately we don't have a free copy of it for download but those who'd like to get more information on the book can go to https://www.brookings.edu/book/the-terrorist-argument/