A critical edition of three of Bentham's works, Deontology and The Article on Utilitarianism previously unpublished. Together with his An Introduction to the Principles of Morals and Legislation, they provide a comprehensive picture of Bentham's psychological and ethical views. This edition, based entirely on manuscripts written by Bentham of by his amanuenses, is equipped with a full introduction linking the three works. Each work is accompanied by detailed critical and explanatory notes.