Preface. Adolfo GARCÍA DE LA SIENRA: Introduction. Walter REDMOND: A Logic on Religious Faith and Development. Joseph M. BOCHENSKI: The Five Ways. Mauricio BEUCHOT: Saint Thomas' Third Way: Possibility and Necessity, Essence and Existence. Richard SWINBURNE: Cosmological and Teleological Arguments. Adolfo GARCÍA DE LA SIENRA: The Ontological Argument. Adolfo GARCÍA DE LA SIENRA: Pascal's Wager. Adolfo GARCÍA DE LA SIENRA & Alfredo ARAUJO: The Experience of God in Moral Obligation. Alvin PLANTINGA: The onus probandi of Theism. Roy A. CLOUSER: Is God Eternal? Alejandro TOMASINI: The Presence and Absence of God. Leszek NOWAK: On the Common Structure of Science and Religion.