For 10 points, name this Middle Persian text, dating from the 10th century, that serves as the official encyclopedia of the Zoroastrian faith.
One section of this text contains replies to 33 questions asked by Bukht-Masareh, a Christian. Another section of this text, called the "Book of Daylamite", is addressed to Muslims and contains an account of creation. This text is divided into nine sections called "nasks", and it is believed that at least three of the nasks were written by the scribe Adurfarnbag. This text's section "On Washing the Body" gives instructions on the use of barsoms. Later sections of this text rigorously define terms such as Dastur, Frashokereti, Soshyant, and Amesha Spenta. For 10 points, name this Middle Persian text, dating from the 10th century, that serves as the official encyclopedia of the Zoroastrian faith.
One section of this text contains replies to 33 questions asked by Bukht-Masareh, a Christian.
Denkard