Title: Hide and Seek.
Author: Sara Shepard.
"The fourth book in the Lying Game series by New York Times bestselling author Sara Shepard features her trademark blend of juicy plotlines, to-die-for lifestyles, tangled webs of friendship and romance, and magnetic characters that will leave readers guessing until the very last page.
Sutton Mercer lived the high life—until someone took it all away. Now Sutton watches from beyond the grave as her long-lost twin, Emma, who assumed her identity, tries to find Sutton’s killer. Emma is crossing off suspects, but her own life is in danger as the murderer resorts to extreme measures to keep her quiet."
Release Date: July 31, 2012.