I devoured this book--started last night and finished it today. I love the way Stiefvater grabs you and keeps you by the throat to the very end.
Things I liked: Stiefvater really knows how to work edgy characters and still make you like them. I fell in love with Nuala from the very beginning. For me the book was about her, not James, although he was my second favorite. She also knows how to keep the tension at just the right level. Tight. Close to snapping, but not quite. Her descriptions of settings enhance the emotions.
Only beef I have is that I kept thinking I missed a book in the series. Stiefvater kept referring to the happenings of the summer. I probably did. Does anyone know?