The two Australian medics involved in the perilous rescue of 12 boys and their football coach from the Tham Luang cave last year, speak to Kathryn about the ordeal. It was a mammoth rescue mission involving more than 100 divers. At the heart of the operation, Doctor Richard Harris (Harry), an Australian anaesthetist: he was part of the medical team that determined the boys' fitness to make the perilous 4-kilometre journey back to surface. Also playing a key role, his diving partner, veterinarian, Doctor Craig Challen. Both men in addition to their medical credentials are cave diving specialists. They were jointly awarded 2019 Australian of the Year. Their story is told in a new book Against All Odds.