Avesta important for its views on death, salvation and life in the hereafter. Of the post-14th century works (all in New Persian), only the "Sad-dar" ("Hundred Doors, or Chapters"), and "rivayat"s (traditional treatises) are of doctrinal importance. Other texts such as "Zartushtnamah" ("Book of Zoroaster") are only notable for their preservation of legend and folklore. The "Aogemadaeca" "we accept," a treatise on death is based on quotations from the Avesta. Avesta The Avesta is the primary collection of religious texts of Zoroastrianism, composed in the otherwise unrecorded Avestan language. The Avesta texts fall into several different categories, arranged either by dialect,
Avesta collection now lies in the Royal Library, Denmark ('K'-series). Other large Avestan language manuscript collections are those of the British Museum ('L'-series), the K. R. Cama Oriental Library in Mumbai, the Meherji Rana library in Navsari, and at various university and national libraries in Europe. In its present form, the Avesta is a compilation from various sources, and its different parts date from different periods and vary widely in character. Only texts in the Avestan language are considered part of the Avesta. According to the "Denkard", the 21 "nask"s (books) mirror the structure of the 21-word-long "Ahuna Vairya" prayer: each