The Problems of Philosophy by Bertrand Russell

Appearance and Reality – The Existence of Matter – The Nature of Matter – Idealism – Knowledge By Acquaintance and Knowledge By Description – On Induction – On Our Knowledge of General Principles – How A Priori Knowledge Is Possible – The World of Universals – On Our Knowledge of Universals – On Intuitive Knowledge – Truth and Falsehood – Knowledge, Error, and Probable Opinion – The Limits of Philosophical Knowledge – The Value of Philosophy – Bibliographical Note