Clives Staples Lewis (1898-1963) called his theological writings as that ""of a layman and an amateur"" who merely attempted to restate ""ancient and orthodox doctrines."" However, S. Steve Park argues that Lewis's theological reflections are well-informed, thoughtful and weighty. For instance, Lewis's notion of ""mere Christianity"" consistently shows his commitment to ""supernaturalism"" (vs. naturalism) and ""eucatastrophic salvationism"" (vs. ethical developmentalism) in sharp contrast to many prevailing theologians of his time. In this book, the author expounded Lewis's theological...