City Of Fallen Angels

City of Fallen Angels, the fourth book in Cassandra Clare’s bestselling, and soon-to-be-a-movie, Mortal Instruments series, is set to hit bookstores on April 5. In anticipation of that release date, we at EW will be posting an exclusive video for the series each day for the next four days. Additionally, fans can register in a special sweepstakes hosted by Simon & Schuster. Just click here and register and you could win a variety of Mortal Instruments prizes, including a set of Cassandra Clare books. Here’s your first trailer, a refresher course on what’s happened in the past three books. Check it out: