Promises aren't meant to be broken . . . FROM THE NEW YORK TIMES BESTSELLING AUTHOR OF BEHIND HER EYES COMES A CHILLING PSYCHOLOGICAL THRILLER ABOUT A DEDICATED SINGLE MOM, HER RESTLESS TEENAGE DAUGHTER, AND HER TROUBLED FRIENDS--ABOUT THE SECRETS THEY HIDE, AND THE PASTS THEY CAN'T ESCAPELisa lives a very quiet life. A single mother nearing forty, she values her privacy and devotes herself to raising her sixteen-year-old daughter, Ava. Wary of men, Lisa doesn't speak of her past or Ava's absent father. Her best friend and coworker, Marilyn, wishes she would open up more and maybe finally go on a date--especially with the sexy new client who's obviously keen--but maybe Marilyn shouldn't be handing out dating advice given her own problems.Ava, meanwhile, is getting tired of her overprotective mother. She wants to live like a normal teenager--chill with friends, go to swim practice, study for exams, have a boyfriend. Her mom would freak if she knew that Ava's already got someone special, someone exciting and mysterious, who makes her feel sophisticated--and wanted.Lisa has spent a long time looking over her shoulder, but lately she's been especially uneasy. Just when she starts to let her guard down, small things from the past begin to intrude upon her carefully constructed life, feeding her anxiety. As her world begins to unravel, Lisa knows that the only way she can protect herself and her daughter is to face her fears. Yet courage won't be enough. She'll need help from the only person she can trust--Marilyn. Between them they have to save Ava, and to do that, they have to be honest with each other. Truly honest. Marilyn did promise she'd do anything to help.But a long time ago, Lisa made a promise too. Then she broke her word. And that betrayal hasn't been forgotten--or forgiven. Now someone is going to make her pay for her sin. A captivating and hair-raising psychological thriller, Cross Her Heart is a masterful tale of obsession, intrigue, and suspense that will leave you reeling.