"Shah of Shahs" is a non-fiction book by Ryszard Kapuściński that explores the Iranian Revolution of 1979, which resulted in the overthrow of the country's ruler, Mohammad Reza Pahlavi, also known as the Shah. The book provides a vivid and personal account of the events leading up to the revolution and the impact it had on Iranian society and politics. Kapuściński draws on his experiences as a journalist reporting from Iran during this time, as well as his conversations with Iranian people from different walks of life, to paint a nuanced and multifaceted portrait of the country and its people. The book also delves into the larger historical and political context of the revolution, including the role of foreign powers and the tension between traditional and modern values. Overall, "Shah of Shahs" offers a compelling and insightful perspective on a pivotal moment in Iranian history.