My full review is here on my personal website. I'll post my conclusion here, though:

4.0 out of 5.0 stars

Okay, maybe I'm losing my mind, but Yana and Sean's relationship seems to work a little better in the book, but they also go a little out-of-character. That's why it lost a whole point. There's no explanation for the change in their characters, it's just suddenly and subtly different.

The very worst thing about this book is the unexplained changes in the characters.

The very best thing about this book is a tie between Petaybee (the planet) and the loose ends being mostly tied up.