Britannica Educational Publishing 
Mesopotamia [PDF ebook] 

Responsible for the first writing system and home to elaborate kingdoms and societies, Mesopotamia has been aptly labeled as the birthplace of the world’s first advanced civilizations. Although much remains unknown about the life and structure of Mesopotamia, the writings and artifacts left behind have shed elucidating light on a number of its significant developments and technological advances. This absorbing volume explores Sumer, Babylon, and the other early settlements that flourished in the enchanting land between the Tigris and Euphrates.