Dead Cities in the Desert. A city of unspeakable antiquity, buried for centuries beneath the desert sands, stands revealed deep in the accursed desert known as the Red Waste. Dare you enter The City That Worshipped a Thousand Gods, seeking the treasures and relics of its Hierophants? Beware the lurking terrors of a bygone age! Treasures of Darkness... Ancient Kingdoms: Mesopotamia is a large setting sourcebook packed with numerous new classes, deities, monsters and magic items, including a series of short adventures. Explore ancient ruins, temples and dungeons of the lost city of Ibnath, and the perilous wilderness areas that surround it. The Ziggurat of the Ghoul-Queen awaits! to run games in the lands of Babylon and Ur.