For all you Logos users (and there is a free version for cheap people like me):
At first glance Genesis 1–11 appears to be a random, loosely related collection of stories and lists. Yet there is clearly a purpose for the placement of these chapters at the beginning of Genesis. As a prequel, Gen 1–11 provides a background to the message of the entire Bible; it introduces God, reveals His power in creation, and illuminates God’s expectations for humanity.
Download the book here.