Bitten by Desire — Marguerite Kaye

On a moonlit night, Imogen, Dowager Duchess of Strathfyne, wishes for something to end her loneliness. She has no idea that her wish would summon Vaelen, a striking, otherworldly stranger whose sensual touch brings her more pleasure than she has ever known. In the morning, Imogen is sure the erotic encounter was simply a dream--until she starts seeing Vaelen everywhere she goes....