The book contains translations of twenty edifying texts preserved in the oldest Pahlavi manuscript of the 14th century, and commentaries on them. These combinations are considered as literary monuments and as a source of many important information about Zoroastrian religion, culture and ethics. CONTENTS: Introduction 8 List of Andares 30 Transcription 31 Translation 67 Commentary 105 Dictionary of Eoroastrian terms 128 Glossary 131 Avestisms 176 Unidentified spellings 176 Appendices 177 List abbreviations 177Editions and translations of sources 179Literature 180Index of names 186Index of geographical names 188Index of works 188Summary 190