 The Cooperative enables the city-owned and -operated public libraries to open their doors to all residents of the county, including those in the unincorporated area.Interlibrary Loan (ILL) offers library patrons the opportunity to request and receive books that are not owned by the Winter Haven Public Library.Through ILL, not only do patrons have access to the circulating book collections of all the library systems in Polk County but also all of the library systems in Florida, as well as universities and public library systems throughout the United States.