Book review: Islamic State: the digital caliphate by Abdel Bari Atwan

Islamic State: The Digital Caliphate provides detailed answers to a number of pressing questions: What exactly is ISIS? Where did it come from? Who is behind it? How does it function? What are the reasons for its success? Daniel Falkiner welcomes the rich description and analysis and finds Abdel Bari Atwan does an admirable job of explaining the ways Islamic State exploits 21st century technology and cultural trends to attract, groom and direct new members across the globe.