Located within the San Marcos Branch Library, this cozy bookstore offers a rotating selection of gently used books for readers of all ages. Whether you’re looking for fiction, non-fiction, or children’s books, you’ll find affordable options for all tastes. All proceeds support local library programs and services. It’s a great place to discover your next read while contributing to the community. The San Marcos Branch Library Bookstore offers a variety of gently used books at great prices. From fiction to non-fiction and children's titles, it’s a perfect stop for bargain book lovers, with proceeds benefiting library programs.