• 1. Historical preface Sydney Smith; 2. Introduction Sandra Herbert and David Kohn; 3. Red Notebook 1836–1837; Part I. Geology: 4. Notebook A 1837–1839 Sandra Herbert; 5. Glen Roy Notebook 1838 Sydney Smith, Paul H. Barrett and Peter J. Gautrey; Part II. Transmutation of Species: 6. Notebook B David Kohn; 7. Notebook C David Kohn; 8. Notebook D David Kohn; 9. Notebook E David Kohn; 10. Torn apart notebook Sydney Smith and David Kohn; 11. Summer 1842 David Kohn; 12. Zoology notes, Edinburgh Notebook Paul H. Barrett; 13. Questions and Experiments Paul H. Barrett; Part III. Metaphysical Enquiries:14. Notebook M Paul H. Barrett; 15. Notebook N Paul H. Barrett; 16. Old and Useless Notes Paul H. Barrett; 17. Abstract of Macculloch Paul H. Barrett; Bibliography; Indexes.

'A monumental, beautiful edition.' The Times Literary Supplement

• 1. Historical preface Sydney Smith; 2. Introduction Sandra Herbert and David Kohn; 3. Red Notebook 1836–1837; Part I. Geology: 4. Notebook A 1837–1839 Sandra Herbert; 5. Glen Roy Notebook 1838 Sydney Smith, Paul H. Barrett and Peter J. Gautrey; Part II. Transmutation of Species: 6. Notebook B David Kohn; 7. Notebook C David Kohn; 8. Notebook D David Kohn; 9. Notebook E David Kohn; 10. Torn apart notebook Sydney Smith and David Kohn; 11. Summer 1842 David Kohn; 12. Zoology notes, Edinburgh Notebook Paul H. Barrett; 13. Questions and Experiments Paul H. Barrett; Part III. Metaphysical Enquiries:14. Notebook M Paul H. Barrett; 15. Notebook N Paul H. Barrett; 16. Old and Useless Notes Paul H. Barrett; 17. Abstract of Macculloch Paul H. Barrett; Bibliography; Indexes.

'A monumental, beautiful edition.' The Times Literary Supplement

• 1. Historical preface Sydney Smith; 2. Introduction Sandra Herbert and David Kohn; 3. Red Notebook 1836–1837; Part I. Geology: 4. Notebook A 1837–1839 Sandra Herbert; 5. Glen Roy Notebook 1838 Sydney Smith, Paul H. Barrett and Peter J. Gautrey; Part II. Transmutation of Species: 6. Notebook B David Kohn; 7. Notebook C David Kohn; 8. Notebook D David Kohn; 9. Notebook E David Kohn; 10. Torn apart notebook Sydney Smith and David Kohn; 11. Summer 1842 David Kohn; 12. Zoology notes, Edinburgh Notebook Paul H. Barrett; 13. Questions and Experiments Paul H. Barrett; Part III. Metaphysical Enquiries:14. Notebook M Paul H. Barrett; 15. Notebook N Paul H. Barrett; 16. Old and Useless Notes Paul H. Barrett; 17. Abstract of Macculloch Paul H. Barrett; Bibliography; Indexes.

'A monumental, beautiful edition.' The Times Literary Supplement