An instant New York Times bestseller! 
My name is Frankie Elkin, and finding missing people is what I do.
 
From #1 New York Times bestselling author Lisa Gardner comes a harrowing locked-room style thriller set on a remote island. Frankie Elkin is an expert at finding missing people, but not even she could have anticipated this latest request—to locate the long-lost sister...

In the beautiful Maine woods, a partly preserved body is discovered. Investigators realize that the dead young woman gave birth shortly before her death. But there is no sign of a baby. Private detective Charlie Parker is hired by a lawyer to shadow the police investigation and find the infant but Parker is not the only searcher. Someone else is following the trail left by the woman, someone with an interest in much more than a missing child.

Stewart "Hoagy" Hoag is thrilled after a meeting with his editor, Norma, where she predicts his new book is sure to establish him as the next great American author. But his happiness is short-lived when at his next meeting with Norma she asks for his help in discovering who is behind a series of increasingly threatening letters sent to her attention. Norma herself is not overly concerned about the letters but her boyfriend, Detective Lieutenant Romaine...