Teens are invited to Northwest Library at 6 p.m. Friday, Jan. 31, for an after-hours Harry Potter Party that will include games, a costume contest, nail art and more.

* Teens are invited to Northwest Library at 6 p.m. Friday, Jan. 31, for an after-hours Harry Potter Party that will include games, a costume contest, nail art and more.

* A nursery rhyme-themed morning of early literacy activities is planned for young children on Saturday, Feb. 1, at Northwest Library. Drop-In Discovery: Once Upon a Rhyme will be held from 9:30 a.m. to 12:30 p.m.

* Children ages 6-8 will explore the depths of the solar system during Worthington Park Library's Astro Adventure. Those attending the program, which is scheduled for 10:30 a.m. Saturday, Feb. 1, will make moon rocks, build an alien and more.

* A 39 Clues Scavenger Hunt is set for 2 p.m. Saturday, Feb. 1, at Northwest Library.

* On Monday, Feb. 3, parents will learn how to keep their children happy, healthy and physically active with advice from Dr. Ihuoma Eneli, medical director for the Center for Healthy Weight and Nutrition at Nationwide Children's Hospital. The Healthy and Active Child starts at 7 p.m. at the Worthington Community Center, 345 E. Wilson Bridge Road.

* The final meeting of Worthington Libraries' Decanted book discussion group is planned for 7 p.m. Tuesday, Feb. 4. Held at House Wine, 644 N. High St., the selected title is The Happiness Project by Gretchen Craft Rubin. Registration is required.

* Northwest Library will host a LEGOs party for children ages 9-11 at 7 p.m. Tuesday, Feb. 4.

* Beyond the River by Anne Hagedorn will be the topic of the meeting at 7:30 p.m. Wednesday, Feb. 5, of Speaking Volumes, an evening book discussion group that meets at Old Worthington Library.

* The library's English Conversation Group for new English language learners will meet at Old Worthington Library on Wednesdays throughout the winter and spring. Class meetings are scheduled at 7 p.m. through May 14. Library staff will help participants with basic English skills practice pronunciation and talking in English.

* During Old Worthington Library's Characterize It: Using Art & Stop-Motion Video to Tell a Story, children ages 9-11will learn about storytelling and character development and bring their ideas to life using stop-motion animation. Participants may bring their own iPad or share one of the library's. The program will be held at 6:30 p.m. Feb. 6. Registration is required.