AN ACT relating to education; prohibiting the board of trustees of a school district, the governing body of a charter school, a school employee or a volunteer and certain persons affiliated with a public library from limiting access to library materials under certain circumstances; authorizing the Board of Regents of the University of Nevada to adopt a policy containing such a prohibition; prohibiting certain actions against certain persons which are intended to limit access to library materials; providing penalties; and providing other matters properly relating thereto.