- The Mariposa County Friends of the Library was established in 1954 for the support and enrichment of the Mariposa library system.
- The FOL hold two major book sales a year: the first week in May and the first week in October featuring thousands of quality items. The sales are held in the Mariposa County Library.
- Books Galore is the book store for FOL: it contains hundreds of books and materials!
Hours: Tuesday and Friday 11am to 3pm
The Mariposa County Friends of the Library is the umbrella organization for three other Friends groups:
Wawona, Red Cloud and Catheys Valley.