Little Sister: A Novel (Jonah Sheens Detective Series)

Two girls went into the woods. Only one came back. . . .

Detective Chief Inspector Jonah Sheens is on the trail in this "riveting" (Publishers Weekly) crime novel from the acclaimed author of She Lies in Wait, Watching from the Dark, and Lie Beside Me

Jonah Sheens is enjoying a moment of peace in a pub garden on his day off when a teenage girl wanders out of the woods. She's striking, with flame-red hair and a pale complexion. She's also covered in blood.
 
When Jonah races to help, the girl insists she's fine. Then she smiles. It's her sister he needs to worry about. Keely and her sister, Nina, disappeared from a children's home a week ago. Now Keely is here--but Nina's still missing. Jonah is sure Keely knows where her sister is--but before she tells him anything, she insists, he has to listen to her story from the beginning.
 
Is she witness, victim, or killer? And if Jonah follows the trail of clues in her story, will they lead him to the missing girl--or distract him until it's too late?