The public library system in the United States a large network of facilities spread throughout the . There are some fundamental characteristics shared by all libraries. They are generally supported by taxes (usually , though any level of government can and may ); they are governed by a board to serve public interest; they are open to all, and community member can access the collection; they provide services without charge.

Public libraries exist in many across the world, and are often considered an part of having an educated and literate population. libraries are distinct from research libraries, school libraries, other special libraries in that their mandate is serve the general public's information needs rather than needs of a particular school, institution, or research . Public libraries also provide free services such as story times to encourage early literacy. They also quiet study and work areas for students and , or book clubs to encourage appreciation of literature adults. Public libraries typically allow users to borrow and other materials temporarily; they also have non-circulating collections and provide computer and Internet access to .

The computer access is one of the ways public libraries have evolved. The Internet has opened an entire world of information, which is much than any single library can provide. The inclusions digital library databases have increased the number of , periodicals, and videos available to the public. Libraries great places for people to study, to do , or just to read a book.