Bluebottle (FICTION)With sea salt authenticity, Belinda Castles sets the Bright family in the sprawling paradise of Bilgola Beach. But darkness is found both in the iconic setting as well as in the disturbing behaviour of one of the family. As he tilted the blinds she saw her mother in her tennis whites, standing at the kitchen bench, staring out into the dark bushland that bordered their houses. That was what Tricia did these days, looked into the bush as though it