Dread, yearning, identity, intrigue, the lethal chemistry between secular doubt and Islamic fanaticism-these are the elements that Orhan Pamuk anneals in this masterful, disquieting novel. An exiled poet named Ka returns to Turkey and travels to the forlorn city of Kars. His ostensible purpose is to report on a wave of suicides among religious girls forbidden to wear their head-scarves. But Ka is also drawn by his memories of the radiant Ipek, now recently divorced. Amid blanketing snowfall and universal suspicion, Ka finds himself pursued by figures ranging from Ipek's ex-husband to a charismatic terrorist. A lost gift returns with ecstatic suddenness. A theatrical evening climaxes