Similar Material w15 5/15 pp. 9-13 Be Watchful—Satan Wants to Devour You! Satan Aid to Bible Understanding Satan Insight on the Scriptures, Volume 2 Beware of Your Adversary, the Devil! The Watchtower Announcing Jehovah’s Kingdom—1984 Who Is Satan? Is He Real? Awake!—2007 Know Your Enemy The Watchtower Announcing Jehovah’s Kingdom (Study)—2018 Know Your Enemy The Watchtower Announcing Jehovah’s Kingdom (Simplified)—2018 Why Many Doubt Satan’s Existence The Watchtower Announcing Jehovah’s Kingdom—1958 Satan Awake!—2013 Stand Firm Against Satan’s Machinations The Watchtower Announcing Jehovah’s Kingdom—1988 Who Is the Devil? What Does God Require of Us?