Nantucket is only two and a half hours away from Martha's Vineyard by ferry. But the two islands might as well be worlds apart for a set of identical twin sisters who have been at odds for years. ust because twins look exactly the same doesn't mean they're anything alike - and Tabitha and Harper Frost have spent their whole lives trying to prove this point. When a family crisis forces them to band together - or at least appear to - the twins come...

As a teen, Iris Walsh narrowly escaped the kidnapping, trafficking and murder suffered by her twin sister. With few clues to go on, the case quickly goes cold. As an adult, Iris is determined to find out what happened, so she interns at the isolated Shoal Island Hospital for the criminally insane, to seek out its secrets. But there is something sinister beneath the surface, and Iris is in danger herself.

"FBI Agent Atlee Pine's search for her sister Mercy clashes with military investigator John Puller's high-stakes case, leading them both deep into a global conspiracy -- from which neither of them will escape unscathed"--

"When twenty-two-year-old Kat Bird wakes up from a coma, she sees Jude, her twin sister. Jude's face and name are the only memories Kat has from before her accident. As Kat tries to relearn her history and identity, she trusts Jude will provide all the answers. Growing up in a New Age cult, isolated from society, the girls studied poetry and literature but also played dangerous games with dark lessons that followed them into adulthood. Now, with Kat's...