In Ashes Lie, by Marie Brennan

In Ashes Lie [B&N | Mysterious Galaxy | Amazon] is Marie Brennan's sequel to Midnight Never Come, which I reviewed here.  Set a hundred years later in seventeenth century England, book two follows Lune, now queen of the Onyx Court, and Antony Ware, the human who rules at her side as Prince of the Stone.

As England falls into civil war, Lune must face enemies both from other faerie realms and within her own court.  Her enemies attack both the Onyx Court and London above.  Intrigue and betrayal ...