This is the best book on subject of ISIS (ISIL), Caliphate and Islam. You will be an expert after reading this book. This book provides basics about caliphate, and Islam, with brief references of Islamic caliphate history, politics of caliphate, sects, basic of Sharia law and Fiqh, women and Islam, Purpose of life according to Islam, Media and much more. And ISIS (IS or ISIL) and likes and the Koran, with no sugar coating or sanitizing anyone or anything. Second Edition.
1: ISIS (ISIL) and World-wide Caliphate Agenda (Origin and Brief history of Caliphate, Moslem Terrorism and Islam) (1st and 2nd Edition) - thousands down loaded.
2: 2016 U.S.A. Presidential Election. 1st edition and 2.0 (one of the influential book on the subject)
3: Awesome Women of All Time.
And many other books.