The library shall be free to the use of the residents of the library district, subject always to such reasonable rules and regulations as the library board may adopt. The board may exclude from the use of the library any and all persons who shall willfully violate such rules. The library board may extend the use and privilege of such library to nonresidents of the district and may make exchanges of books with any other library upon such terms and conditions as the board may from time to time by its regulations prescribe.
K.S.A. 12-1265