Similar Material it-2 “Leshem Stone” Leshem Stone Aid to Bible Understanding Leshem Aid to Bible Understanding Leshem Insight on the Scriptures, Volume 2 Jewels and Precious Stones Insight on the Scriptures, Volume 2 Jewels and Precious Stones Aid to Bible Understanding Opal—A Rainbow in Your Hand Awake!—1978 Laish Insight on the Scriptures, Volume 2 The Fascinating Beauty of the Opal Awake!—1993 Laish Aid to Bible Understanding Did You Know? The Watchtower Announcing Jehovah’s Kingdom—2012