Introduction; R.H. Popkin. I. How Sceptical were the Academic Sceptics? D. Frede. II. The Dissoi Logoi and Early Greek Scepticism; T.M. Robinson. III. Some Traces of the Presence of Scepticism in Medieval Thought; M. Beuchot. IV. Hobbes on Peace and Truth: An Objection to Richard Popkin's `Hobbes and Scepticism I', and `Hobbes and Scepticism II'; L. Madanes. Samuel Clarke's Four Categories of Deism, Isaac Newton, and the Bible; J.E. Force. VI. Arnauld versus Leibniz and Malebranche on the Limits of Theological Knowledge; R. Sleigh. VII. Scepticism, Matter and Infinite Divisibility; J.A. Robles. VIII. Hume's Scepticism and his Ethical Depreciation of Religion; M.A. Badia Cabrera. IX. Hume's Scepticism: Natural Instincts and Philosophical Reflection; B. Stroud. X. Kierkegaard's Distinction between Modern and Ancient Scepticism; J.R. Maia Neto. XI. Pierce and Scepticism; A.H. Ibáñez. XII. Finding One's Way About: High Windows, Narrow Chimneys, and Open Doors. Wittgenstein's `Scepticism' and Philosophical Method; D. Marcondes. XIII. Philosophical Scepticism in Wittgenstein's On Certainty; G. De Pierris. XIV. The Sceptical Epistemology of Triste Tropiques; R.A. Watson. XV. Scepticism about Value; J. Annas. XVI. Philo of Larissa and Platonism; D. Glidden. XVII. Scepticism, Humour and the Archipelago of Knowledge; M.E. Orellana Benado. XVIII. Scepticism and the Limits of Charity; E. de Olaso. XIX. The Argument fromPossibility; A. Stroll.