Kathleen Korben

 Sorcha is charged by her mothe Queen Mab to recover the fairy stone. To do this she has to go through the gate where she meets Harry Wyatt, who's ancestor was the fairy who brought the stone to the mortal world.  Harry beleives Sorcha is missing a few brain cells.

I really loved this book and that surpised me, because I usually don't enjoy these types of books.