Lisa Gardner

Six mummified corpses are found buried in an underground chamber on the grounds of a Massachusetts mental hospital. One of the bodies is wearing the necklace beloning to Annabelle Granger. Annabelle lived her childhood in hiding with her family not knowing why, until her name appeared in the paper as one of the victims.

"Frankie Elkin, who readers first met in Before She Disappeared, learns of a young man who has gone missing in a national forest. Law enforcement has abandoned the search, but a crew of people led by the young man's father are still looking. Sensing a father's desperation, Frankie agrees to help--but soon sees that a missing person isn't all that's wrong here. And when more people start to vanish, Frankie realizes she's up against something very dark--and...

Nicole Frank shouldn't have been able to survive the car accident, much less crawl up the steep ravine. Not in the dark, not in the rain, not with her injuries. But one thought allows her to defy the odds and flag down help: a little girl. Sergeant Wyatt Foster is frustrated when even the search dogs can't find any trace of the mysterious missing child. Until Nicky's husband, Thomas, arrives with a host of shattering revelations: Nicole Frank suffers...