I did really enjoy this one and found it interesting, but I also found it to be very confusing. Maybe it was because I listened to the audio version and I don’t know if maybe the chapters were titled by the narrator, but I was constantly confused as to which sister was speaking. And they would not say their names, so I’d be listening for several minutes just waiting to figure out who the narrator was. That made this already kind of confusing story about which twin is evil and which twin is good even more confusing. And then they threw in another set of sisters at some point and  I got even more confused. Maybe if I been reading the print version I would’ve been confused at all, but I was. Other than that though I honestly thought the story was really interesting. And a fun summer thriller.