Adamstown is a borough that is located in Lancaster County (primarily) and Berks County in the U.S. state of Pennsylvania.

The Library System of Lancaster County (LSLC) is a federated system, which serves 519,462 residents in Lancaster County, Pennsylvania. It is made up of a consortium of 14 member libraries, two branches and a bookmobile. LSLC was established in April 1987 to provide well-coordinated, countywide services and cooperative programs to assist member libraries in meeting the diverse needs of its residents. The LSLC support and centralized services include (public Internet access, a shared online public access catalog system, subscription to database- and online homework-help research services, consulting services, continuing education training in internal library operations, governance, business-information services, youth services, public relations, assistance with countywide programs and services, technology support, web hosting, email, calendars, the catalog, circulation, headquarters and library PCs and peripherals, training and security. The system also provides services for ordering, cataloging and processing library materials with collection development, collective purchasing, managing catalog databases, negotiating vendor discounts, and outreach services to special populations through the bookmobile and collection development.