As of my last update, Sierra Harimann is known primarily as an author who has contributed to children's literature. She has written various books for young readers, including adaptations, novelty books, and originals. Harimann's works often feature popular characters and franchises that appeal to children, such as Scooby-Doo and Paw Patrol. Her writing style is typically engaging and accessible, aimed at capturing the interest of young audiences and encouraging reading. It's worth noting, however, that authorial databases and catalogues frequently update with new works and authors, so for the most current information about Sierra Harimann, it might be best to look at recent publications or an author database.