City of Constantine

Mapping the remnants of Roman / Byzantine Constantinople in Istanbul

In the Shadow of the Sword: The Birth of Islam and the Rise of the Global Arab Empire

In the Shadow of the Sword: The Birth of Islam and the Rise of the Global Arab Empire

Tom Holland

How Arab raiders overran the wealthiest parts of the Roman Empire and the entire Sasanian Empire in a few years. Holland's overly-dramatic prose can get repetitive, but the subject matter is too enthralling to put down.

https://www.amazon.com/Shadow-Sword-Birth-Global-Empire/dp/0307473651