Peshawar Nights is a Shi'a book by Sultanu'l-Wa'izin Shirazi ("Prince of Preachers from Shiraz"). It recounts a public debate between Shi'a Muslims and Sunni Muslims, that took place in the city of Peshawar in the North-West Frontier Province (present-day Khyber Pakhtunkhwa) in Pakistan of British India beginning on 27 January 1927.
According to the preface:
A condition of the dialogue was that only sources acceptable to both sects would be cited. The dialogue was held in Persian, commonly understood in the city of Peshawar (Note: Persian is no longer commonly understood in Peshawar). The transcript, made by four reporters and published in the newspapers daily, was published in book form in Teheran and soon became a classic authority in the East. The present work is based on the fourth edition, published in Teheran in 1971, the year in which Sultanu'l-Wa'izin died at the age of 75