Book excerpt: "When Iranians overthrew their monarchy, rejecting a pro-Western shah in favor of an Islamic regime, many observers predicted that revolutionary turmoil would paralyze the country for decades to come. Yet forty years after the 1978-79 revolution, Iran has emerged as a critical player in the Middle East and the wider world, as demonstrated in part by the 2015 international nuclear agreement. In Iran Rising, Iran specialist Amin Saikal describes how the country has managed to survive despite ongoing domestic struggles, Western sanctions, and countless other serious challenges"--