A Midwinter Murder by Verity Bright
The Lady Eleanor Swift books always catch my eye, but this is the first I've actually picked up. It worked fine as a stand alone for me. All of the characters were introduced well and I had a good understanding of the relationships. The mystery itself was self-contained with no threads lingering from previous books.
Lady Eleanor has to give up her plans for a holiday at home and has to attend the Duke of Auldwyke's shooting party instead. At least everyone is invited, including her fiancé/detective chief inspector, Hugh, and her staff has use of a cottage on the estate. Of course, a body is found not long after Lady Eleanor arrives - the duke's secretary, clearly murdered. A local policeman and Hugh end up investigating, but the duke, and the guests for that matter, are less than helpful.
I do love a good Christmas manor house party murder. Here we've all the decorations and food and sledding I...