As of my last update, Imogen Keeper is an author best known for writing romance novels, often with elements of science fiction and fantasy. She has a penchant for creating stories that involve strong character development and often explores themes of love, passion, and otherworldly adventures. Imogen Keeper's work typically features detailed world-building and intense, often steamy, romantic relationships. Her writing style tends toward the descriptive and immersive, drawing readers into the vivid settings and emotional lives of her characters. One of her known series is "The Bonding," which encapsulates her blend of romance with speculative elements. Keep in mind that authors can evolve, and new authors may emerge, so for the most current information, it's best to look for her latest publications or an official biography.