'I've been dying to meet you,' Cassandra says in a voice that's anything but sweet. Her razor-sharp nails dig into my shoulder and her pearly white smile doesn't quite reach her eyes. My heart hammers in my chest. Does she remember me?When I first met Miles, it felt like fate. He was everything I'd dreamed of, and we were engaged within six months. But now I'm meeting his parents. And there's one small his mother. Because I've met Cassandra before - and if she realises who I am, my life could be on the line. Luckily, there's no flicker of recognition in her icy blue eyes as she greets me on the grand staircase of her white-bricked mansion. Just immediate dislike. Except Miles worships his mother, and I want her to accept me. My only choice is to try and fit into their perfect world.But when I begin to receive threatening messages, one thing becomes Cassandra will do anything to get me out of her son's life. Including destroying me. But that's okay. No matter what she does, I'm confident that Miles and I will be together forever.Because I know Cassandra's darkest secret. The one she'll do absolutely anything to keep. I have a plan, while she has no idea who she's dealing with. And by the time my darling mother-in-law realises, it will be far too late for her to run...An unputdownable psychological thriller that will have you glued to the pages and screaming at your Kindle at the jaw-dropping twist. If you love The Perfect Marriage, Gone Girl and anything by Lisa Jewell or Nicola Sanders, you'll be hooked on The Mother-in-Law's Secret!