Introduction: from fiction into metaphysics; Part I. The Artifactual Theory of Fiction: Foreword; 1. If we postulated fictional objects, what would they be?; 2. The nature and varieties of existential dependence; 3. Fictional characters as abstract artifacts; 4. Reference to fictional characters; 5. Identity conditions for fictional characters; Part II. Ontological Decisions: Foreword; 6. Fiction and experience; 7. Fiction and language; 8. Ontology and categorization; 9. The perils of false parsimony; 10. An ontology for a varied world; Notes; Bibliography.