Boost

Thirteen-year-old Savvy's three-point shot is deadly. But she gets pushed around on the basketball court. Her older sister, Callie, is on varsity cheerleading, but she's not light enough to be a flier - her coveted position. Both girls need to boost their level of competition to get into the action. How far are they willing to go to be the best?Kathy Mackel lives in Pepperell, Massachusetts.