His works were composed closely in time to the Denkard and the Bundahishn and treats similar subjects, but is independent of them.
The primary subject matters of the book include a description of Zoroastrian cosmology, the life of the prophet Zoroaster, and then the eschatological end.
This section is likely reliant on the lost Dāmdād nask (Division on Creation) from the Avesta.
The seven parts of the human body here are also listed in other examples of Pahlavi literature, like the Bundahishn.
Gignoux-Tafazzoli propose a four-fold division to the work:[2] An earlier edition was published by M.B.