Similar Material it-2 “Week” Week Aid to Bible Understanding The Seventh Day—A Sabbath of Rest The Watchtower Announcing Jehovah’s Kingdom—1961 Sabbath Day Insight on the Scriptures, Volume 2 Is It Wrong to Work on the Seventh Day of the Week? Awake!—1975 What Sabbath Should You Keep? Awake!—1978 Sabbath Day Aid to Bible Understanding Is Sabbath Observance for Christians? The Watchtower Announcing Jehovah’s Kingdom—1961 Festival of Sabbath Insight on the Scriptures, Volume 1 Preparation Insight on the Scriptures, Volume 2 Sabbath Reasoning From the Scriptures