This review contains some light spoilers (maybe?).
I saw this book being recommended on instagram. I'm on vacation but at the end of the semester, so I've really fallen out of reading for pleasure (it's difficult to want to read anything after reading 200 pages for class). This seemed like a quick read, so I picked it up.
I'm torn on how to rate this book. The writing is very good and kept me reading. It reminded me a lot of Celeste Ng's books. I finished in about two days. But the story itself ended up being rather unsatisfying in the end.
The book alternates between the past and the present, but the two timelines felt so disjointed that I wonder why the author didn't just concentrate on one or the other. The girls in the past and the girls in the present (with a few exceptions) felt like entirely different characters. Poor Andee seemed to have no character and isn't even the hero of her own section her younger sister is (though because she is so boring up until then, I found the start of her section incredibly confusing and had to keep reminding myself which kid had been at camp...).
The girls in the past also don't read like kids. I wish they had been aged up a bit. I think their characters and actions would have made more sense for 12/13 year olds than for 9-11 year olds.
In all, I think this book is best enjoyed the way I read it: quickly and with no idea what you're getting yourself into.