Therese, soprano, never uses a library. 'I pride myself on always buying my books.' Whereas I agree with Helene Hanff, who said that buying a book you haven't read is like buying a dress without trying it on. 'How do you know the dress will fit, Therese?' 'I always know what's going to fit me, book-wisely speaking. I tune into asking the universe what it needs me to read for the greater good, go into the bookshop and find that I'm drawn to a department, then a section of carpet, then the particular shelf and there will book the book, in a sort of outline of almost light picked out from the others around it.' 'But there are billions of books out there Therese, in umpteen shops, divided into squillions of bits of carpet and - ' She was giving me her look: a nurse at my hospital bed telling me that the prognosis was less than ideal. 'Yes, but with me it's narrowed down quite a bit to begin with. I only ever buy books a...