To date, Karen, has published eight paranormal romance books with Kensington, Leisure Books, and Berkley, plus a novella with BelleBooks and a short story with DAW. In addition, she's published four short stories and two novels for the sweet contemporary romance Dogwood Series.

Her second book, Somewhere My Love (now retitled My Enemy, My Lover), was a RITA Finalist in 1998.

Prince of Charming (now entitled One Fine Fae), a paranormal romance, was a winner for the 2001 Award of Excellence in the Paranormal Category and Finalist for the 2001 NationalReaders' Choice Award.

Buttercup Baby (now titled In the Family Fae), another book in the contemporary fae line, went on to win the Booksellers' Best Award.