In the stunning second installment of the trilogy , Princess Gwendolyn Evir and newly discovered Arthurian Analog Carter Hurley race against time to locate the legendary sword Excalibur before it falls into the hands of the evil goddess Mórrígan . As the Goblin armies lay waste to the Elvish worlds, Gwen and Carter's desperate search takes them to The Library , a repository of all galactic knowledge, where ancient secrets and new betrayals await. Pursued by Mórrígan's deadly Yagshin warriors and the fearsome Ogre Stafa Ugg , they must forge uncertain alliances and confront devastating losses that will test their resolve to the breaking point. Meanwhile, Gwen's brother Kitrian and Carter's younger brother Galen find themselves embroiled in an unexpected conflict as the long-lost Dwarven race makes a dramatic return to the Known Systems. As multiple factions vie for power and ancient prophecies begin to unfold, our heroes must decide who to trust in a galaxy where loyalty comes with a price and sacrifice may be the only path to victory . GWEN'S SACRIFICE raises the stakes in this epic science fiction trilogy that masterfully blends Arthurian legend with space opera adventure. Return to a richly-imagined universe where the fate of multiple civilizations rests in the hands of young heroes fighting against impossible odds to save everything they hold dear.