Unionville High School’s gymnasium is hosting the 21^st Unionville High School PTO Used Book Sale, starting on Friday, Feb. 26. Donated by a diverse group of avid readers, the approximately 80,000 books cover a wide variety of genres, including children’s books, art books and classics. The used book sale is the high school PTO's primary fundraiser and allows the PTO to support enrichment projects to enhance the educational experience. Sale hours are Friday, Feb. 26, from 4 to 9 p.m., and Saturday, Feb. 27, from 9 a.m. to 2:30 p.m., with a half-hour break to prepare for the $10 bag sale from 3 to 5 p.m.