As of my last update, there may be several individuals by the name of Sarah Kent, ranging from art critics to authors in various fields. However, one notable Sarah Kent is a British art critic and writer who has been active in the art world, particularly in London, for several decades. She was the visual arts editor for Time Out London for 30 years, from the mid-1970s to the mid-2000s, where she both wrote and commissioned reviews on contemporary art. Known for her insightful and often provocative critiques, she has been a prominent voice in the British art scene. In addition to writing for Time Out, Kent has authored books on art and artists, curated exhibitions, and contributed to various publications and catalogues. If you have a specific Sarah Kent in mind, particularly one who has recently emerged as an author, please provide additional context or details for more precise information.