Friends of the Library’s Used Book Sale, Clarkston Independence District Library, 6495 Clarkston Road, Sept. 20-21 (10 a.m.-8:30 p.m.), Sept. 22 (10 a.m.-5:30 p.m., half price), Sept. 23 (10 a.m.-2 p.m., $5 bag day). Preview for Friends members Sept. 19, 3-7 p.m. Over 15,000 gently used books, most $2 and under. More info, contact Friends@cidlibrary.org.