Introducing new evidence from more than 600 secret Ottoman documents, this book demonstrates in unprecedented detail that the Armenian Genocide and the expulsion of Greeks from the late Ottoman Empire resulted from an official effort to rid the empire of its Christian subjects. Presenting these previously inaccessible documents along with expert context and analysis, Taner Akçam's most authoritative work to date goes deep inside the bureaucratic machinery of Ottoman Turkey to show how a dying empire embraced genocide and ethnic cleansing. By uncovering the central roles played by demographic engineering and assimilation in the Armenian Genocide, this book will fundamentally change how this crime is understood