Preface. Introduction. Part I: The Moment of Change from Antiquity to the 19th Century. 1. Plato. 2. Aristotle. 3. The Moment of Change in the Middle Ages. 4. Kant, Mendelssohn, Schopenhauer. Part II: The Moment of Change in the 20th Century. 1. The Either/Or-Option. 2. The Either-Way Option. 3. The Both-States-Option. 4. The Neither-Nor Option. 5. The Neutral Instant Analysis. Part III: A Systematic Suggestion. Introduction. Section 1. The Snapshot Myth. Section 2. A Path to a Plausible Description of the Moment of Change. Section 3. The Classification of the Moment of Change. Appendix A: A Formal Characterization of s-Changes and C-Changes. Appendix B: A Formal Version of Aristotle's Proof in Phys. 235b26ff. Appendix C: Informal Proofs for Some Important Statements Concerning First and Last Instants of States in Dense Time. Appendix D: Paraphernalia About Rest and Motion. Notes. References. Names Index. Subject Index. List of the Main Texts.