C.S. Lewis presents a story of one's journey towards God or away from God. The central characteristic in each of us is Free Will and our daily choices to embrace God or not. A much more succinct journey than Dante's, Lewis challeges us to look at the direction our life is headed based on the choices we make. Based on George MacDonald's definition of hell: I am my own, Lewis ' character is invited to embrace eternal Joy by giving himself to God. I use this book with high school seniors and they say it is a must read