v. 1. bk. 1. Immortality of the soul -- v. 2. bk. 2. Dreams, divination, and prophecy. bk. 3. Divine knowledge. bk. 4. Divine providence -- v. 3. bk. 5. The heavenly bodies and their movers, the relationships amongst these movers, and the relationship between them and God. bk. 6. Creation of the universe.