Invisible — Allie Harrison

After a terrifying bank robbery brings her face to face with a masked gunman, Ellie Westfall hopes she and her son are safe. But Ellie soon learns there are worse things to fear, like dead bodies, or maybe becoming one. And as shadows close in and a bigger danger threatens, she has to trust FBI Agent Gil Trent to keep her safe from the monster bent on making her his own. But Gil Trent is hiding something. Can Ellie put her life in Gil's hands? Or will his secrets get them both killed?