The Global Book Exchange A volunteer organization that collects California’s surplus texts and library books then donations them to nonprofit educators and the needy nationwide. Hours: Thursday: 1-4pm; Saturday: 1-4pm Website: bookexchange.marin.org/Email: k12books@bookexchangemarin.orgPhone: 415 435-5771Mailing Address:852 Del GanadoSan Rafael, CA 94903Date Updated: 2/4/2011