The Dream Swimmer'Eleven years have passed since that winter of 1986 when I put down my pen on the story of the woman who wore pearls in her hair, my grandmother the matriarch, Riripeti Mahana nee Pere, whom some called Artemis . . .' So begins The Dream Swimmer, Witi Ihimaera's gripping sequel to The Matriarch, acclaimed winner of the Wattie Award. The Dream Swimmer continues the odyssey of Tama Mahana, grandson and heir to the matriarch, as he assumes the mantle of