Book excerpt: For centuries Augustine's theory of free will has been used to explain why God is not the author of evil and humans are morally responsible for sin. Yet, when he embraced the doctrines of unconditional election and operative grace, Augustine began modifying his theory of free will. His final works claim his evolved notion of free will remained consistent with his early view, but this claim has provoked significant debate. Some scholars take him at his word, interpreting his teachings on free will in light of his later predestination teachings. Others reject his claim of continuity and warn of great inconsistencies between his early and later works. Few have undertaken a thorough study of Augustine's works to compare his early notion of free will with hislater theory of predestination. Free To Say No? is a detailed study of Augustine's work that presents clear evidence in Augustine's own words for a significant discontinuity between his early and later theories - especially the disappearance of the will's freedom to say