Since its completion in 1647 the Westminster Shorter Catechism has been unsurpassed as a concise tool for teaching the Reformed understanding of Scripture. Though the truths of the catechism are unchanging, the English language has undergive many changes, which have made using the catechism in its original form increasingly difficult.

Douglas F. Kelly is professor of theology at Reformed Theological Seminary in Charlotte, North Carolina. He holds a BA from University of North Carolina, an MDiv from Union Theological Seminary, and a PhD from Edinburgh University. Dr. Kelly is a scholar marked by profound piety. His grasp of theology and his proficiency in several languages are well demonstrated in his writing, series editing, and translating. He has taught throughout the world and has served on the Jurisprudence Project of The Christian Legal Society.