(1988, revised 2015, 2018; out of print, available online) Aid to Bible Understanding (1971) Aid to Bible Understanding (A–Exodus) (1969) Reasoning from the Scriptures (1985, revised 1989) "Make Sure of All Things; Hold Fast to What is Fine" (1965) "Make Sure of All Things" (1953, revised 1957) Comprehensive Concordance of the New World Translation of the Holy Scriptures (1973) "All Scripture Is Inspired of God and Beneficial" (1963, revised 1983, 1990) "Equipped for Every Good Work" (1946) For daily use Examining the Scriptures Daily, annually since 1986 Daily Heavenly Manna for the Household of Faith (1905, revised 1907 as Daily Heavenly Manna and Birthday Record) Calendar of Jehovah's Witnesses, annually 1983 to 2016 Yearbook Service Year Report (preaching statistics), annually since 2017 Yearbook of Jehovah's Witnesses, annually from 1940 to 2017 Year Book of Jehovah's Witnesses, annually from 1934 to 1939 Year Book of the International Bible Students Association, 1922, 1925, annually from 1927 to 1933 For use in formal Bible studies Primary study aids These publications are intended to convert interested individuals. Enjoy Life Forever!—An Interactive Bible Course (2021) What Can the Bible Teach Us? (2015) (simplified version of What Does the Bible Really Teach?) What Does the Bible Really Teach? (2005, revised 2014; out of print, available online) Knowledge That Leads to Everlasting Life (1995, 1997, 2000) You Can Live Forever in Paradise on Earth (1982, revised 1989) The Truth That Leads to Eternal Life (1968, revised 1981) "Things in Which It Is Impossible for God to Lie" (1965) You May Survive Armageddon into God's New World (1955) "Let God Be True" (1946, revised 1952) "The Truth Shall Make You Free" (1943) The Harp of God (1921) Millions Now Living Will Never Die! (1920) Studies in the Scriptures (1904, also issued as Millennial Dawn; revised 1909, 1915; 1917 addition of The Finished Mystery, revised 1923), 6 volumes by Charles Taze Russell: The Divine Plan of the Ages (1886 as The Plan of the Ages, revised 1887, 1903, 1907, 1908, 1911, 1913) The Time is at Hand (1888, revised 1889) Thy Kingdom Come (1891) The Battle of Armageddon (1897 as The Day of Vengeance, revised 1912) The At-one-ment Between God and Man (1899, revised 1915) The New Creation (1904) Secondary study aids Secondary aids are considered just before or shortly after baptism. How to Remain in God's Love (2018, simplified version of "Keep Yourselves in God's Love") "Keep Yourselves