Part I. The Nature of Referring and Referring Expressions: 1. The multidisciplinary field of referring; 2. The great debate: definiteness and indefiniteness; 3. A functional grammar for referring expressions; Part II. Typical Reference: 4. Typicality and atypicality; 5. Referring in spontaneous discourse; 6. Referring in prepared discourse; Part III. Atypical Reference: 7. Referring in non-collaborative contexts; 8. Indefinite expressions for referring definitely; 9. Child's play; 10. Reference and metonymy; 11. Epilogue.