Best-selling author Lisa Unger will visit the Avon Library, 281 Country Club Road, Avon, on Friday, Sept. 20, at 6:30 p.m. She will be promoting her new release, “The Stranger Inside” ( Park Row; $26.99). Lisa Unger is the New York Times and internationally best-selling author of 17 novels. With millions of readers worldwide and novels published in 26 languages, Lisa Unger is widely regarded as a master of suspense. In 2019, she received two Edgar Award nominations. The event is free; no registration is needed. Books will be for sale at the event.