Alex Hong (center), 12, of River Forest plays croquet with sister Hannah (left), 11, and Hannah Keidan, 12, of River Forest outside the River Forest Public Library Aug. 23, along with Margaret Banerji, head of teen services. | Ryan Pagelow~Sun-Times Media

Hannah Hong (center), 11, of River Forest plays croquet with (from left) Hannah Keidan, 12, of River Forest, Kate Schumacher, 12, of River Forest, Alex Hong, 12, of River Forest and Margaret Banerji. | Ryan Pagelow~Sun-Times Media

Hannah Keidan, 12, of River Forest plays bocce ball during a teen lawn games event outside the River Forest Public Library. She participated in the summer reading program at the library. | Ryan Pagelow~Sun-Times Media

Hannah Hong, 11, of River Forest plays croquet with other youth who participated in the summer reading program at the River Forest Public Library. | Ryan Pagelow~Sun-Times Media

Kate Schumacher (left), 12, of River Forest and Hannah Keidan, 12, of River Forest play bocce outside the River Forest Public Library during a teen lawn games event Aug. 23. | Ryan Pagelow~Sun-Times Media

Margaret Banerji (left), head of teen services at the River Forest Public Library, explains the rules of croquet to (from left) Hannah Hong, 11, Hannah Keidan, 12, Kate Schumacher, 12, and Alex Hong, 12. | Ryan Pagelow~Sun-Times Media