Will revenge destroy her? Ida seeks the shadowy scientist who confined her in his genetics lab and forever altered her existence. Her quest leads to barren deserts, accompanied by an android ally named Ogre. Retribution fuels her, but an unexpected figure from her past resurfaces, derailing her mission and stirring emotions she never anticipated. Yet as love unexpectedly blooms, the scientist amasses a covert army of genetic mutants deep underground. By the time Ida confronts him, it might be too late. With the clock ticking, Ida must wield her rogue power like never before. Can she dismantle the growing army before it eradicates all life? SALVAGE is the fourth and final book in the dystopian science fiction Rogue Spark series. Follow the adventures of Ida Sarek, a healer with a big heart and a knack for finding trouble.