Violent non-state actors have become almost endemic to political movements in the Middle East and the Horn of Africa. This book examines why they play such a key role and the different ways in which they have developed. Placing them in the context of the region, separate chapters cover the organizations that are currently active, including: The Muslim Brotherhood, The Islamic State in Iraq and Syria, Jabhat al-Nusra, Hamas, Hizbullah, the PKK, al-Shabab and the Huthis. The book shows that while these groups are a new phenomenon, they also relate to other key factors including the...