The waterways of ancient Iraq were crucial to its prosperity. While they were maintained, Iraq and neighbouring Khuzistan, in southwest Iran, were the richest and most productive agricultural areas of the Middle East, supporting the Sasanian, Umayyad and Abbasid empires. When the waterways changed or fell into decay, both the prosperity and the political role of Iraq largely disappeared. Understanding the course of the rivers and how they changed is therefore pivotal to understanding the history of the region. Peter Verkinderen s important book provides the first major re-examination of the...