Vineland Historical and Antiquarian Society, 108 S. Seventh St., Vineland. 2 p.m. Society hosts author Deborah Boerner Ein, portraying 19th century scientist Mary Treat. Ein will introduce Treat to attendees with her read-aloud coloring book Mary Had a Little Zoo. Coloring supplies, a craft activity, and snacks! FREE event. Visit the VHAS Facebook page to register or call 856-691-1111.