The Screwtape Letters

By C.S. Lewis

Spiritual Warfare

C.S. Lewis's diabolical masterpiece flips our perspective: we read the correspondence of a senior demon training his nephew in the art of temptation. Suddenly we see our own spiritual battles from the enemy's viewpoint. Every small compromise, every petty resentment, every comfortable sin becomes a strategic victory for hell. Lewis reminds us of the war we often forget—against principalities and powers, against spiritual forces of evil. Every temptation is a battlefield. Every choice has eternal weight. The demon Screwtape reveals how the most ordinary life is the front line of cosmic war.