Prelinger Library

The Prelinger Library is a privately funded public library in San Francisco founded in 2004 and operated by Megan Prelinger and Rick Prelinger It holds over 50,000 books, periodicals and pieces of print ephemera. Prelinger Library considers itself a "hybrid library" that blurs the distinction between digital and non-digital; as of 2009 it had over 3,700 e-books online.

The library is usually open one and one-half days a week, and hosts approximately 1,000 visitors per year. Provided by Wikipedia