God's Great Purpose in the World (04) Malcolm Duncan continuing the year-long series looking at the Old Testament books. Leviticus is one of the least-studied books in the O.T. Written by Moses, it contains instructions on a wide variety of issues to help Israel as they prepared to enter the Promised Land to understand the holiness of God, and the importance of personal holiness in their relationship with Him. How does Leviticus still have something to say to us today in this respect.?