The Groton Public Library in Groton, Massachusetts is home to a collection of over 254,000 printed books, audio books, music, DVDs, magazines, newspapers, and databases. As one of the areas busiest libraries, it offers a varied assortment of year round programs for all ages. GPL has a curated art gallery, showcasing a revolving group of area artists. The Historical Collection is a resource for history buffs and genealogists. Its friendly, committed and resourceful staff are available to help you find a distant ancestor, the name of the Han dynasty's second emperor or your new favorite author.

The Groton Public Library Endowment Trust is a private, non-profit, 501 (c) (3) foundation that assists in maintaining the quality and excellence of the library by providing a means above and beyond the Library's normal resources. It assures continuation of the high standards achieved during the Library's long history.

The principal of the trust is comprised of donations from individuals and corporations. Income from the trust is used to enhance, enrich, and supplement the funds available for the materials collection, programs, and other special needs of the library. This income does not replace funds appropriated annually by the town or other funds managed by the town for the support of the library.