One day, many years ago, I half-listened to a reading on the radio in the middle of some chore. Suddenly, the prose caught my ear. I had to pay attention. What I heard was extraordinary: a memory of lying on a hillside on a summer’s day that bloomed and soared into the most ravishing, hypnotic account of an ecstatic union with nature and its healing powers that I had ever come across. ‘I was rapt and carried away,’ the author confessed. And so was I.