Van Name, Sarah

In their familiar North Carolina beach town, Callie and her friends, Talia and Cleo, are joined by the enigmatic Polly, who introduces the idea of learning how to make themselves invisible, a plan that initially seems impossible but eventually works, leading to a recklessness that makes it increasingly difficult for the girls to return to their former selves.

"Seventeen-year-old June feels she is nothing without her best friend, Jess, but everything changes after she is expelled and must attend a Virginia boarding school where her grandmother teaches"--OCLC.

Eager for the end of summer when she and her boyfriend, Jake, plan to run away together, Caroline finds herself drawn into Georgia's life and begins to question to whom she should say goodbye.