Queens Public Library is one of the largest and busiest public library systems in the United States, dedicated to serving the most ethnically and culturally diverse area in the country. An independent, non-profit organization founded in 1896, Queens Public Library offers free access to a collection of more than 5 million books and other materials in multiple languages, technology and digital resources, and more than 87,500 educational, cultural, and civic programs a year. It consists of 65 locations, including branch libraries, a Central Library, seven adult learning centers, a technology lab, two universal pre-kindergartens, and two teen centers.