"Doris Lessing is one of the most important writers of the past 100 years, a shrewd visionary. . . . Her new, short, haunting novel . . . succors us with . . . unforgettable visual images. We shiver and marvel as we lose ourselves in time."-- The Times (London) In her visionary novel Mara and Dann, Doris Lessing introduced a brother and sister battling through a future landscape defined by extreme climates in the north and...