It was fantastic and all, but I do have one gripe. Not about the book, mind you. Really, about myself. I speculated too much. I had too many of my own theories before starting Shadowfever, and unfortuantely many of those theories turned out to be what happened. Not that it was predictible by any means. I think maybe KMM and I just have a similar way of thinking. Loved the book. Love Mac and Barrons and even Dani. Wish I could resist the temptation to figure out a book before the book comes out. 
 Just reread the whole series, and I liked Shadowfever better the second time around. Jericho Barrons is one of the best male characters in the genre. In ANY genre. And Mac is my hero. Simple as that.