In Ascent from Darkness How Satan's Soldier Became God's Warrior by Michael Leehan the author tells about his twenty years of service to Satan. As a young adult, feeling abandoned by God and people, he turned to Satan for power and fulfillment. God was able to intervene and provide Michael the hope and light he needed in his darkest hours. Since the book is about a true story it makes it that much more intense. This is a book every Christian should read.