“Box filling battle, 30 words.” Here you go, Crossword fans! Test your deductive and linguistic mettle on three custom-made crosswords by local, professional crossword creators whose work has been published in the New York Times. After three rounds, whoever has the highest combined scores at the Landmark Center goes on to the finals that happen in front of a live audience! Even if you don’t want to compete, you can go and watch and hosts Friends of the St. Paul Public Library will even send you the crossword puzzle packs after the competition. Sunday, $5 to watch, $20 to compete,  $100 for a team. —Tracy Oxford 

The Landmark Center, 75 5th St W, STPL; www.landmarkcenter.org