The popular, annual Unionville High School PTO Used Book Sale will be held from 5 to 9 p.m. on Friday, Feb. 27, and from 9 a.m. to 2:30 p.m. and 3 to 5 p.m. on Saturday, Feb. 28. A fundraiser for the high school, the sale typically features 80,000 books in dozens of categories at bargain rates. During the final two hours of the sale, buyers pay $8 for a bag containing whatever they can fit into it. Volunteers and donations are needed. For more information, visit www.uhsbooksale.org.