The library shall be free for the use of the residents of the library district, subject to reasonable rules and regulations as the library district board may adopt. The library district board may exclude from the use of the library any person who shall willfully violate such rules. The library district board may extend the use and privilege of such library to nonresidents of the district, charge nonresidents a reasonable fee and make exchanges of books with any other library upon such terms and conditions as the library district board may prescribe.
K.S.A. 12-12,108