Sumerians: A History From Beginning to End

by Henry Freeman

To put it in perspective, it turned out that the Sumerian Empire (circa 5000-2000 BCE) predated the Akkad Empire (circa 2400-2200 BCE), the Babylonian Empire (circa 1950-1600 BCE), the Kassite Empire (circa 1550-1100 BCE), and the Assyrian Empire (circa 1400-612 BCE) in the Mesopotamian (modern day Iraq) region.

so here is a rough historical background: all the great empires in Mesopotamia-at once. The author knows how to deal with his subject