Question: Information: - Science fiction (often shortened to SF, sci-fi or scifi) is a genre of speculative fiction, typically dealing with imaginative concepts such as futuristic science and technology, space travel, time travel, faster than light travel, parallel universes, and extraterrestrial life. Science fiction often explores the potential consequences of scientific and other innovations, and has been called a "literature of ideas." It usually avoids the supernatural, and unlike the related genre of fantasy, historically science fiction stories were intended to have a grounding in science-based fact or theory at the time the story was created, but this connection is now limited to hard science fiction. - Matriarch is a science - fiction novel by Karen Traviss published in September , 2006 . It is the fourth book in the Wess'Har Series , following The World Before and preceding Ally . - "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. All six novels have been 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. - Karen Traviss is a science fiction author from Wiltshire, England. She is the author of the Wess'Har series, and is also known for writing tie-in material based on "Star Wars", "Gears of War", "Halo", and "G.I. Joe". Her work crosses various forms of media including novels, short stories, comics, and video games. What is the relationship between 'matriarch ' and 'harpercollins'?
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publisher