The book contains a great deal of primary source material gleaned from three years of engagement and contacts within the Islamist and jihadist communities active in Syria. This includes much information never before made public by any source.
Charles R. Lister is a visiting fellow at the Brookings Institution's Doha Center. He was formerly head of the Middle East and North Africa section at IHS Jane's Terrorism and Insurgency Centre. From January 2016, he will be based in Washington, DC.