This is the latest in Briggs’ Mercy Thompson series.I’d felt after River Marked that Mercy’s story had come to a natural end. There were developments in the companion Alpha and Omega series that could have opened up the Mercy storyline as well, but Briggs did not take that opportunity.The novel itself is a well-written stand alone, and from any other author I’d give it top rating. However, from an author of Briggs’ calibre it was a little disappointing. Like Martin, Briggs is particularly skilled in character development and I saw little of that in this book. I hope that in future Briggs concentrates on Alpha and Omega – there seems much more scope for development there.I gave Frost Burned four stars out of five