Sitting under a willow tree, near the cobbled streets of Paraty, I am wondering why book lovers would make the long journey to this International Literature Festival.  Our journey has taken a month, as we decided that if we wanted to go to the Festival we should also have a good look around Brazil.  We have probably done some of the things we were told tourists should never do, but we have also experienced comfort and life in the raw. We house swapped in Salvador, a lovely beach house, overlooking the Ocean.  We spent our days reading and gently swinging in hammocks.  I read a couple of books that have…