the nature of God's free will experiment, our status as fallen creatures, and the obstacle that prevents us from achieving our full potential. Lewis devotes chapters 2 and 3 to exploring the first, chapters 4 and 5 to exploring the second, and chapters 6 and 7 to exploring the third. In all three sections, he borrows heavily from the writings of the fathers of the church, while adding always a modern twist that challenges those of us living in a liberal, post-Enlightenment world to rethink our accepted