ISBN-13: 9781511525640 / Angielski / Miękka / 2015 / 130 str.
Twenty Great Truths, originally published as Theological Clarity and Application, is an interactive leadership development workbook based on Wayne Grudem's book, Christian Beliefs: Twenty Basics Every Christian Should Know (Grand Rapids: Zondervan, 2005) with reference to Grudem's Systematic Theology (Grand Rapids: Zondervan, 1994).