Book excerpt: The ongoing turbulence in Turkey's domestic and international politics raises a number of crucial questions. What explains the movement toward one-party, and even one-person, rule? What role does Islam play in the ideology and policies of the ruling party and its leader, Recep Tayyip Erdogan Is the country's long commitment to secular rule a thing of the past - and if so, with what consequences for Turkish society? What is Turkey's likely international role in the Middle East and beyond? These are among the key issues addressed in this comprehensive analysis of the actors and factors driving recent developments in Turkish politics at home and abroad.