I kind of struggled with this one. For some odd reason, Ropa's voice, which was so effective and charming in the first three books, felt slightly forced and artificial in this one. I can't explain why;  It just stopped working for me. The plot, too, seemed unformed. A whole lot of it revolved around sitting down and learning about Ropa's grandmother's history, which, honestly, seemed fairly unrelated to the main power struggle within Scottish Magic (although it was nice to finally learn the whole story about the Catastrophe, which has been only referred to pretty vaguely up until now). And it ends  on a cliffhanger, which is very irritating. The whole series has been so nicely self-contained within each book up until now, so I didn't appreciate being left on a limb, after having been trained to expect a satisfying conclusion from the last three books. I don't see myself reading the next book.