6:30pm-9:30pm. For one night only the library won't help you find the answers. But that won't stop us from asking plenty of tough questions. Pre-register for $78 per team of up to 6 adults. Cash prize to the top 3 teams! Limited space—register early at any Calvert Library location! Must pay to be considered registered. $5 per spectator by separate registration. Only 5 spaces for spectators! Friends of Calvert Library fundraiser. Wine and beer are $5. Snacks are free. Calvert Library Prince Frederick, 850 Costley Way, 410-535-0291 or 301-855-1862. CalvertLibrary.info.