The Secret Sister: A compelling suspense novel about family and secrets

How far would you go for family?Anna's done bad things before. Neglected and unloved as a child, she had to do whatever it took to keep herself and her little sister, Birdie, safe. But the worst thing she's ever done is let her sister walk out of a diner when they were teenagers. She would never see her sister again.
Years later, and Anna is a new person. After a whirlwind romance, she's married handsome, successful, and generous Guy. She has a steady job and a new life of comfort. Things se...