Includes bibliographical references and index.

Preface: An antimanual of ethics -- Introduction: What is the use of thought experiments? -- Part I. Problems, dilemmas, and paradoxes: nineteen moral puzzles. -- Emergencies -- The child who is drowning in a pond -- A transplant gone mad -- Confronting a furious crowd -- The killer trolley -- Incest in all innocence -- The amoralist -- The experience machine -- Is a short a mediocre life preferable to no life at all? -- I would have preferred never to have been born -- Must we eliminate animals in order to liberate them? -- The utility monster -- A violinist has been plugged into your back -- Frankenstein, minister of health -- Who am I without my organs? -- And if sexuality were free? -- It is harder to do good intentionally than it is to do evil -- We are free, even if everything is written in advance -- Monsters and saints -- Part II. The ingredients of the moral "cuisine." -- Intuitions and rules -- A little method! -- What remains of our moral intuitions? -- Where has the moral instinct gone? -- A philosopher aware of the limits of his moral intuitions is worth two others, indeed more -- Understand the elementary rules of moral reasoning -- Dare to criticize the elementary rules of moral argument -- Conclusion.

Translated from the French.