Similar Material it-2 “Kenan” Kenan Aid to Bible Understanding Mahalalel Insight on the Scriptures, Volume 2 Mahalalel Aid to Bible Understanding Enosh Insight on the Scriptures, Volume 1 Did Men Once Live for Hundreds of Years? Awake!—1977 Enosh Aid to Bible Understanding Cainan Insight on the Scriptures, Volume 1 Cainan Aid to Bible Understanding Life Span Insight on the Scriptures, Volume 2 Questions From Readers The Watchtower Announcing Jehovah’s Kingdom—1980