TO DO TODAY

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

East Lyme Garden Club — 1 p.m., Niantic Community Church, 170 Pennsylvania Ave.; “All About Orchids” presentation and workshop with master gardener Diane Earl; free; eastlymegardenclub.org.

Poetry Salon — 5-7 p.m., Savoy Bookshop and Cafe, 10 Canal St., Westerly; hosted by Lisa Starr; free; (401) 2133901. Christian Meditation — 5:15 p.m., Harkness Chapel, Connecticut College, 270 Mohegan Ave., New London; free; (860) 625-0294.

Romance Book Club — 5:30 p.m., Barley Head Brewery, 12 Water St. #1A, Mystic; “Dark Lover” by J.R. Ward; hosted by Bank Square Books; free; (860) 536-3795.

The Hempstead Diaries — 5:30 p.m., Public Library of New London, 63 Huntington St.; book club-themed exploration of Joshua Hempsted’s diary; free; (860) 447-1411.

Beyond the Breed: Exploring Dog DNA — 6 p.m., Groton Public Library, 52 Newtown Road; presentation on canine heritage, evolution and genetics; hosted by the Connecticut Humane Society for National Adopt a Shelter Dog Month; free; (860) 441-6750.

NAMI Homefront — 6 p.m., Public Library of New London, 63 Huntington St.; presentation on the six-part mental health program for service members, veterans and their families; free; (860) 447-1411.

Monday Night at the Movies — 6 p.m., Waterford Public Library, 49 Rope Ferry Road; free; (860) 444-5805.

Food for Thought Book Discussion —7 p.m., Waterford Public Library, 49 Rope Ferry Road; “One Second After” by William Forstchen and “Lights Out” by Ted Koppel; free; (860) 444-5805.

Niantic Toastmasters — 7 p.m., Niantic Community Church, 170 Pennsylvania Ave.; build your communication skills; free; (860) 395-9942.

Ledyard Garden Club — 7 p.m., Ledyard Senior Center, 12 Van Tassell Drive, Gales Ferry; mosses and ferns presentation by Steve Colgan; free; ledyardgardenclub.org.

All Ages Storytime — 10 a.m., East Lyme Public Library, 39 Society Road; for all ages with an adult; free; (860) 739-6926.

Babies and Books — 10 a.m., Groton Public Library, 52 Newtown Road; for infants through age 2 with an adult; free; (860) 441-6750.

Toddler Storytime — 10 and 11 a.m., Waterford Public Library, 49 Rope Ferry Road; for ages 18 months to 3 years with an adult; free; (860) 444-5805.

Fabulous Fall Storytime — 10:30 a.m., Bill Memorial Library, 240 Monument St., Groton; for children up to age 5 with an adult; free; (860) 445-0392.

Terrific Twos Storytime — 11 a.m., East Lyme Public Library, 39 Society Road; for 2-year-olds with an adult; free; (860) 739-6926. Bedtime Stories — 6:30 p.m., Groton Public Library, 52 Newtown Road; pajama storytime for all ages with an adult; free; (860) 441-6750.