Melody Carlson 
Best Friend (Life at Kingston High Book #2) 

Lishia Vance is flummoxed. One day she has friends. The next day everyone has turned against her. No explanation. Just complete social isolation. Even her best friend Janelle isn’t giving her the time of day. When she makes a connection with Riley Atkins, a popular cheerleader, things start looking up. But is Riley really as good a friend as she seems? Or is Lishia better off without her?With her signature insight into the lives of teen girls, bestselling author Melody Carlson explores the treacherous world of friendship, loyalty, and choices girls face in high school.