10375 Little Patuxent Pkwy., Columbia. 410-313-7800.
•All Together Now. Saturdays, 10:15 and 11:30 a.m. All ages; 30 minutes.
•Employment Edge. Thu., April 4, 6:30 p.m. Topics include job search tools, resume writing, interview skills and professionalism on the job.
•English Conversation Club. Mondays, 10 a.m.; and Thursdays, 7:30 p.m. Practice speaking and understanding English in a group setting. Register before attending.
•Noontime. Third Thursdays, noon.
•Play Partners. Fridays, 10:15 and 11:30 a.m. Ages up to 23 months with adult; 20-30 minutes.
6600 Cradlerock Way, Columbia. 410-313-7700.
•All Together Now. Thursdays, 10:15 and 11:15 a.m. All ages; 30 minutes.
•Babysitter Entrepreneur. Wednesdays, April 17; and May 8, 15, 22 and 29, 6:30 p.m. Learn how to turn an interest in child or pet care into a profitable enterprise. Ages 13-17.
•Black Fiction. First Saturdays, 1 p.m.
•Challengers. April 27, 2 p.m. Book club for fourth- and fifth-grade students who like a challenge."The Witches," by Roald Dahl. Ages 9-11. Registration required.
•Chemists Celebrate Earth Day: Water. April 20, 1 p.m. Join a chemist from the Army Research Laboratory and the American Chemical Society for hands-on experiments. Ages 7 and older. Registration required.
•Children's Discovery Fair: Move, Grow and Learn. April 13, 10 a.m. Celebration for young children and their families with free hands-on activities that teach developmentally appropriate educational concepts. Ages 3-5.
•Good Reads. First Tuesdays, 7 p.m.
•Money Matters Fair. Sat., April 6, 10 a.m. Kick off Financial Education month with hands-on activities for children and teens, exhibitors, free credit reports and tax preparation.
•Morning Books with Coffee. Third Tuesdays, 10 a.m.
•Take me out to the Ball Game. April 27, 2 p.m. Author Steve Walker teaches about baseball in the nation's capital. Ages 6 and older. Tickets required.