The first eleven chapters of Genesis tell about the first few thousand years of human history. The book of Genesis is the book of beginnings.
Genesis is the seed plot of the Bible.
Almost every teaching of major importance has its roots in the book of Genesis. It is safe to claim that Moses was the writer of Genesis. Jesus obviously accepted the book of Genesis as historical and trustworthy and divinely inspired. He quoted from it frequently and never once did He indicate that anything in Genesis was unreliable. Some of the sharpest attacks against the Bible have been leveled against the early chapters of Genesis.