The book of Leviticus describes the laws concerning sacrifices, the consecration of priests, moral laws, purity and holiness, etc. In the book of Numbers, the Israelites set out towards Canaan. But because of their unbelief they were condemned to wander in the desert for 40 years. The book of Deuteronomy is the "Second Law," Israel's covenant rule which includes legal concessions, ritual stipulations, blessings and curses. God promised to raise up another prophet like Moses, and around the year 1400 B.C. He finally led His people to the border of the Promised Land.