As of my knowledge cut-off date in early 2023, Chelsea Mueller is an author best known for her urban fantasy novels. She has written the "Soul Charmer" series, which includes books such as "Borrowed Souls" and "Rogue Souls." Her work often features strong female protagonists, dark supernatural elements, and fast-paced, action-oriented storytelling. In addition to writing novels, Mueller is known for her involvement in the book blogging community, where she has contributed to discussions and reviews of genre literature. She has also worked in marketing and has been active in the writing community, participating in writers' workshops and conferences. Please note that newer developments regarding Chelsea Mueller or her work may not be covered in this description.