Prelude -- ch. 1. The geographic cure -- ch. 2. Through the looking glass -- ch. 3. Great God, this is an awful place -- ch. 4. The Hard Truth Medical Centre -- ch. 5. Going polar -- ch. 6. An Irish airman foresees his death -- ch. 7. Three shades of twilight -- ch. 8. Darkness, darkness -- ch. 9. The sea change -- ch. 10. The other side of winter -- ch. 11. From Hell on earth -- ch. 12. Club Med -- ch. 13. The longest month -- ch. 14. Endurance -- ch. 15. Deliverance -- Epilogue.