Mary Boyce is Professor Emerita of Iranian Studies at the University of London and is the author of a number of works on Zoroastrianism and Manicheanism.

'Answers a real need among students of religion ... informative, original and so eminently enjoyable ...' - - Journal of Asian History'... an excellent series.' - Isabel Wollaston, Univeristy of Birmingham, Reviews in Religion and Theology

• Foreword to this edition, Preface, Glossary, Signs and abbreviations 1 The background 2 Zoroaster and his teaching 3 The establishing of Mazda worship 4 The unrecorded centuries 5 Under the Achaemenians 6 Under the Seleucids and Arsacids 7 Under the early Sasanians 8 During the mid Sasanian period 9 Under the later Sasanians 10 Under the Caliphs 11 Under II-Khans, Rajahs and Sultans Contents 12 Under the Safavids and Mughals 13 Under the Qajars and British 14 In the twentieth century