I can't believe... I didn't even know... I... love the series so much... and I didn't even know... What kind of fan am I? （￣～￣;）
The last book of the trilogy is called Circle of Fire, and can be purchased in bookstores and online. (I'll read and review it once I can get my hands on a copy of it.) Please go out and buy a copy! (The reviews so far are Amazon are all FIVE-STARS, which is rare for a book.)
From the Amazon:
With time dwindling but her will to end the Prophecy stronger than ever, Lia sets out on a journey to find the remaining keys, locate the missing pages of the Prophecy, and convince her sister Alice to help--or risk her life trying. Lia has her beloved Dimitri by her side, but Alice has James, the man who once loved her sister--and maybe still does. James doesn't know the truth about either sister, or the prophecy that divides them. And Alice intends to keep it that way.
There are some secrets sisters aren't meant to share. Because when they do, it destroys them. This stunning conclusion to Michelle Zink's Prophecy of the Sisters trilogy will make saying good-bye bittersweet for readers.
Barnes and Noble