EAST MARLBOROUGH — Unionville High School is hosting the annual — the 23rd annual — Unionville High School PTO Used Book Sale, starting on Friday, Feb. 22 from 4-9pm. The sale continues Saturday, Feb 23 from 8am-1:30pm (new hours for 2019), with a $10 bag sale from 2-4pm.  Bags will be provided; please do not bring your own.  Approximately 75,000+ used books for sale, across 30+ different...