Exchange unwanted items for things you might actually use or want from 3 to 5 p.m., Friday, Jan. 7, at Kirk-Bear Canyon Branch Library (8959 E. Tanque Verde Road); 1 to 3 p.m., Saturday, Jan. 8, at Dusenberry-River Branch Library (5605 E. River Road); 11 a.m. to 1 p.m., at Eckstrom-Columbus Branch Library (4350 E. 22nd St.); 2 to 5 p.m., Saturday, Jan. 8, at Himmel Park Branch Library (1035 N. Treat Ave.); 10 a.m. to 2 p.m., Saturday, Jan. 8, at Joel D. Valdez Main Library (101 N. Stone Ave.); 1 to 3 p.m., Saturday, Jan. 8, at Nanini Branch Library (7300 N. Shannon Road); noon to 4 p.m., Saturday, Jan. 8, at Quincie Douglas Branch Library (725 W. Via Rancho Sahuarita); 1 to 3 p.m., Saturday, Jan. 8, at Valencia Branch Library (202 W. Valencia Road); 10 a.m. to noon, Saturday, Jan. 8, at Wheeler Taft Abbett Sr. Branch Library (7800 N. Schisler Drive); and 1 to 3 p.m., Saturday, Jan. 8, at Woods Memorial Branch Library (3455 N. First Ave.). Free. Items must be in good condition. No large items such as refrigerators or vehicles. Leftover items will be donated to charity. Call 594-5305, ext. 3, for more information.