The Wess'har Wars series is a six-book science fiction novel series written by author Karen Traviss and is set several hundred years in the future. It involves humanity's contact with a number of alien species with conflicting interests and beliefs, while her central character, Shan Frankland, is caught in the middle of a coming conflict. The series has a focus on environmental impact. All six novels were published by Eos, an imprint of HarperCollins: City of Pearl, Crossing the Line, The World Before, Matriarch and Ally (formerly Task Force). The last book of the series, Judge was released on March 25, 2008. Source: Wikipedia (en)