In Genesis we learn about the beginning of man and woman, marriage, sin, death, different languages, the nation of Israel, and God's plan to save man from his sins. Genesis also tells about men such as Noah, Abraham, Isaac, Jacob, and Joseph. These men are often called Patriarchs . In the Patriarchal Age the people did not have God's commandments written down in the Bible. Instead, God spoke directly to the patriarchs and revealed His commandments and teachings to them.
Exodus tells about the nation of Israel.
God had chosen Israel to be His special people. From Israel God planned later to bring Jesus to be the Saviour of the world. The Egyptians made slaves of them. Exodus tells the story of how God sent Moses to lead the people of Israel out of Egypt. Leviticus and Deuteronomy contain the first written law which God gave to mankind.