Saturday, September 6: Friends of the North Shore Library at Princeville: Quarterly Used Book Sale. Over 10,000 books, DVDs, CDs and jigsaw puzzles. Children may select one free book, and after 2 p.m. everything is half price. Princeville Public Library, 4343 Emmalani Drive, Princeville. 10 a.m. to 4 p.m. For more information, contact the Library at 826-4310 or visit www.PrincevilleLibrary.com.