A visionary novel from Doris Lessing, winner of the Nobel Prize for Literature.It is sooner than you might think. And the Earth's climate is much changed - it's colder than ever before in the north, and unbearably dry and hot in the south. Mara, who is seven, and her four-year-old brother Dann find themselves somewhere very strange, not home ...They are taken in by a kindly, grandmotherly woman, b...