Ages 6 and over learn about fireflies and how they glow. Then take a flashlight outside to lure fireflies with different flash patterns. 8-9:30pm at Smithsonian Environmental Research Center, Edgewater: 443-482-2200; www.serc.si.edu.
Twin Beaches Library, Chesapeake Beach: 410-257-2411
• 6:30-7:30pm: Kick off the Summer Reading Program with an evening story.
Fairview Library, Owings:
• 7-8pm: Kick off the Summer Reading Program with an evening story.
Crofton Library: 410-222-7915
• 9:30am & 10:30am: Babies to 2-year-olds hear stories and songs.
South County Library, Deale:
• 10am: Babies to 2-year-olds hear stories and songs for Father’s Day.