The Main Library campus houses more than just CALS’s flagship branch. Find unique gifts at River Market Books & Gifts, the library’s gently read book store. The Butler Center’s four art galleries, including a retail gallery, feature the work of Arkansas artists and exhibit art related to the state. The CALS Ron Robinson Theater hosts concerts, movies, and lectures throughout the year. The Arkansas Literary Festival, held each April, hosts authors from around the country for four days of lectures, book signings, and panel discussions, most of which are free.