Editor's preface; Abbreviations; Part I. Life and Works; Part II. General Principles Used by Leibniz: 1. Predicate-in-Notion Principle; 2. Principle of sufficient reason; 3. Is the Predicate-in-Notion Principle compatible with contingency?; 4. Comments on the Predicate-in-Notion Principle; 5. Principle of Sufficient Reason, contingency, and infinite complexity; 6. Denial of relations; 7. Identity of Indiscernibles; 8. The Principle of continuity; 9. Denial of transeunt causation; Part III. Leibniz's Theory of Corporeal Substances: 1. Background of Leibniz's theories; 2. Extension and motion; 3. Relativity of space, time and motion; 4. Dynamical properties of bodies; 5. Endless divisibility; 6. Argument for substantial forms for the Predicate-in-Notion Principle; 7. Substantial forms and organic bodies are ingenerable and incorruptible; Part IV. Theory of Monads: 1. Monads and entelechies; 2. Corporeal substance is a phenomenon bene fundatum; 3. Plurality of substances; 4. Characteristics of monads; 5. Pre-established harmony; 6. The three kinds of monad; 7. The real foundation of the various bodily phenomena; 8. Theory of organisms; 9. Apparent interaction of body and mind; 10. The Viniculum Substantiale; Part V. Psychology and the Theory of Knowledge: 1. Conscious and unconscious experiences; 2. The innate and the a priori; 3. Sensation and sense-perception; 4. Conative and affective experiences; Part VI. Ethics; Part VII. Theology: 1. God's nature and relations to the world; 2. Existence of God; 3. Defence of God's character; 4. The Kingdom of Ends; Bibliographical note; Index.