What defines a thing? What defines a person? Who are you? Are you sure?

In a place where things seem to be more than what they seem to be, where you can't trust your senses and you can't trust your comrades, all you can do is try to find the truth... and try not to lose yourself.

When I first read this book, I didn't realize it was the first in a series. I was satisfied with the ending, which is rather open ended. It seemed fitting not to have a definitive ending, given how the very nature of reality begins to fray at the seams in Area X.