Assyro-Babylonian Mythology: FAQ about the pantheon, cosmology, and history of the Assyrians and Babylonians, by Christopher B. Siren (1999).
Babylonian Creation Myth: Translation from Tablet IV which tells of the great battle between the sky god Marduk and the earth goddess Tiamat.
Before the Legend of Noah: Essay about Mesopotamian flood legends recorded before the bible.
Gateways to Babylon: Ancient and modern texts on Mesopotamian mythology, religion, and deities.
Myths of Babylonia and Assyria: The complete book written by Donald A. Mackenzie.
The Religion of Babylonia and Assyria: By T. G. Pinches, e-text from the Project Gutenberg.
Tour de Babel: Articles on the Ziggurat, the tower of Babel, and Iranian antiquity.