Extended through Wed., Feb. 4: Teens and adults are invited to swap their old jigsaw puzzles for puzzles contributed by other patrons. Bring your puzzles (in good condition) and exchange them for new-to-you puzzles. Bealeton branch library, 10877 Willow Drive North; John Marshall branch library, 4133 Rectortown Rd., Marshall; Warrenton central library, 11 Winchester Street; 540.422.8500.