From Wonder Woman to Catwoman to Black Widow, the superhero set features more than its share of female powerhouses flexing both muscle and mind power. A gathering called Girl Mania, for female youngsters in grades three through six at 4 p.m. June 22, will be a time of creating superhero crafts in conjunction with the summer reading club at the Bartholomew County Public Library, 536 Fifth St. in Columbus. Information: 812-379-1266 or mybcpl.org.