World's busiest urban public library system. Your source for fun, learning and information. Monitored Mon-Fri 9am-8:30pm, Sat 9am-5pm https://t.co/AHe8PVamZmTPL is one of the world's busiest urban public library systems, with 100 branches across the city and over 10 million books, movies, and other items to borrow or download online.

Core values

- The library generates over $1 billion in economic impact for the city, with each dollar invested returning $5.63 in value to city residents[1].
- It combats social isolation, provides resources to address inequality, and supports lifelong learning, skill development, and workforce training[2][4][5].
- The library serves as an inclusive space for diverse populations, including vulnerable and marginalized groups, and supports new immigrants through various programs[1][3].
- It has a high impact across emotional, social, intellectual, and creative dimensions, as measured by the Experience Impact Compass methodology[2][4][5].