Similar Material it-2 “Watch” Watch Aid to Bible Understanding Let’s Watch How We Walk Sing Praises to Jehovah Do You Know the Time? The Watchtower Announcing Jehovah’s Kingdom (Study)—2018 Do You Know the Time? The Watchtower Announcing Jehovah’s Kingdom (Simplified)—2018 Night Aid to Bible Understanding Night Insight on the Scriptures, Volume 2 Time to Watch Oneself and One’s Teaching The Watchtower Announcing Jehovah’s Kingdom—1969 “Keep on the Watch”! The Watchtower Announcing Jehovah’s Kingdom—2003 What Makes It Tick? Awake!—1970 Why Must We “Keep on the Watch”? The Watchtower Announcing Jehovah’s Kingdom (Simplified)—2016