The Uninvited Guest. The Gareth & Gwen Medieval Mysteries, #2

A killer lurks among the wedding guests in the second Gareth & Gwen Medieval Mystery . Gareth has returned from the south, and Gwen is overjoyed to find their bond as strong as ever, but all is not well in the court of Owain, King of north Wales. His future in-laws are untrustworthy, the Norman lords on his eastern border are restless, and among his wedding guests lurks a cold-blooded killer. Gareth and Gwen's wedding plans will have to wait while the pair race to separate truth from lies, friends from foes, and unravel the mystery before King Owain--and his new bride--fall victim to their uninvited guest. The Uninvited Guest is the second Gareth and Gwen Medieval Mystery. Complete Series reading order: The Good Knight, The Uninvited Guest, The Fourth Horseman, The Fallen Princess, The Unlikely Spy, The Lost Brother, The Renegade Merchant, The Unexpected Ally, The Worthy Soldier, The Favored Son, The Viking Prince, The Irish Bride, The Prince's Man, The Faithless Fool, The Honorable Traitor, The Admirable Physician, The Shattered King.
Also The Bard's Daughter (prequel novella).