TO DO TODAY

Creative Writing — 10 a.m.-noon, Public Library of New London, 63 Huntington St.; writing activities and sharing with the Creative Writers of New London County; free; (860) 447-1411.

Mahjong Group — 12:30 p.m., Salem Free Public Library, 264 Hartford Road; free; (860) 859-1130.

Christian Meditation — 5:15 p.m., Harkness Chapel, Connecticut College, 270 Mohegan Ave., New London; free; (860) 625-0294. Usual Suspects Mystery Book Club

— 5:30 p.m., Public Library of New London, 63 Huntington St.; “Little Face” by Sophie Hannah; free; (860) 447-1411.

Monday Nights with the Oscars —6 p.m., Waterford Public Library, 49

Rope Ferry Road; free; (860) 4445805. Adventure, Discovery, and Disaster

— 6 p.m., Public Library of New London, 63 Huntington St.; New London whaling presentation by Mystic Seaport Museum curator Fred Calabretta; free; (860) 447-1411. Who is Polluting Long Island

Sound? — 6:30 p.m., East Lyme Community Center, 41 Society Road; presentation by Judy Preston of Connecticut Sea Grant; hosted by the East Lyme Agricultural Committee; free; (860) 501-0929.

All Ages Drop-In Storytime — 10 a.m., East Lyme Public Library, 39 Society Road; free; (860) 739-6926. Toddler Storytime — 10 and 11 a.m.,

Waterford Public Library, 49 Rope Ferry Road; for children ages 18-36 months with an adult; free; (860) 444-5805.

Popcorn Spring Tree Craft — 10:3011:30 p.m., Cragin Memorial Library, 8 Linwood Ave., Colchester; for all ages with an adult; free; (860) 5375752. Build It! Clinic — 11 a.m., Otis Library, 261 Main St., Norwich; for grades K-8; free; (860) 889-2365.