Answer
Ryszard Kapuściński's book The Shah of Shahs was published in 1982. The book chronicles the life of Mohammad Reza Pahlavi, the last Shah of Persia. Kapuściński spent over a year in Iran, interviewing the Shah, his family, and other members of the Iranian government and aristocracy. The book was a critical and commercial success, and it has been translated into over 20 languages.