There are two major public library systems in Los Angeles.
There is the LA County Library System and the LA City Library System. If you live in Los Angeles, you should become familiar with both systems.
The LA County Library System
This includes Agroua, Malibu, Topanga Canyon, Culver City , West Hollywood, Westlake, and more.
The LA City Library System LAPL
There are many Los Angeles Public Libraries with great hours Monday through Friday.
With the exception of some of the larger branches, most LAPL libraries are closed on Sunday.