Ah, I absolutely loved this book by sandi. The half sister was every single thing that I expected a mystery or thriller from her , to be about. The cover was intriguing and the story went along so well with it. Sometimes.the covers pull me in but I have trouble keeping into the story. But the story kept unfolding and with every unfold I was completely sucked in by the turns. It was really a great idea and the plot was very well thought out and written so well. I really do enjoy her books and with each new release I look forward to it. I've won so many of her advanced readers copies, I cant believe that I forgot to post a review on bookish first, for this one in particular. So what matters now is that I am here, lol and I am writing about how I recommend this book if you like a little mystery and a few twist in your books. I highly recommend her other books as well, especially the other woman.