Persian, otherwise known as Farsi, is spoken today by over 40 million people in Iran, where it is the national language, and 5 million in Afghanistan. Persian, the first comprehensive grammar of the language, provides detailed coverage of all its linguistic aspects, including the syntax, morphology and phonology. This essential resource presents each feature of the language with examples from conversational Persian that serve to explain and clarify each topic. Persian is a must for all scholars of this rich language that dates back to the 6th century B.C.E.