HANNIBAL, Mo. -- The Hannibal Free Public Library is hosting Adult Trivia Night from 6 to 9 p.m. Friday, Sept. 6. This free after-hours program invites teams of two to play for prizes or just for fun. If you don't have a partner, library staff will pair you with someone else who wants to play. Refreshments will be served. Everyone is welcome, but registration is requested. Call the library at 573-221-0222, or visit at 200 S. Fifth St.