Pretty solid thriller. Although I guessed most of the plot twists, there were still a few moments where I was surprised by the direction of the plot. 

I liked the mix between Emma's narration, the first draft of Murder Beach, and the police reports. I especially liked the plot twist regarding the actual author of Murder Beach. It kept things interesting because I knew that the writer of Murder Beach had to have survived the night, but I wasn't certain of who the author actually was.