The TIBF was inaugurated during a ceremony attended by high-ranking Iranian officials, including Minister of Culture and Islamic Guidance Seyed Abbas Salehi.
Iranian President Hassan Rouhani had been slated to deliver a speech at the ceremony but did not attend the event due to unknown reasons.
Publishers and delegations from 53 foreign countries are present at the fair and Serbia is the special guest country of the international event.
The Tehran International Book Fair is annually held as a social and cultural phenomenon with book displays, panel discussions and publishing deals.