Book reviewed in this article:Worship in the World's Religions. By Geoffrey Parrinder.Studies in Islamic History and Civilization. Edited by Uriel Heyd.Der islamische Orient zwischen Vergangenheit und Zukunft. Eine geschichts‐theologische Analyse seiner Stellung in der Weltsituation. By Walther Braune.Geschichte der orientalischen Völker Russlands bis 1917. By Emanuel Sar‐kisyanz.Persien in der deutschen Orientpolitik während des ersten Weltkrieges. By Ulrich Gehrke.The Foundation of Muslim Rule in India. By A. B. M. Habibullah.Frontiers of the Christian World Mission since 1938. By Wilber C. Harr, editor.The Near East in History. By Philip K. Hitti.The Idea of the Jewish State. By Ben Halpern.A History of Islam in West Africa. By J. Spencer Trimingham.Toward Unity in africa By Donald Rothchild.Uneasy Lies the Head. Autobiography of King Hussein I. Bernard