The primary purpose of The Shepherd’s Rod is to unlock the mystery concerning the the 144,000 (Rev. 14:1), with the central object in view of bringing about among God’s people that “thorough reformation” foretold by the Spirit of Prophecy (Testimonies, Vol. 8, p. 251). These truths are of supreme importance currently because of what she is soon to pass through. Thus, the Booklet’s title, “The Shepherd’s Rod.”