Consider the ending. Did you expect it or were you surprised? I expected most of it although I wasn't expecting the final explosion.
What have you read that is similar to this book? It has been a few years but some Star Trek books. Do not remember the title.
Where did the story take place? In space, on the ocean. Wasn't expecting this at all and I loved the way the author described this.
Disclosure: I received a review copy of this book from the author.