By Stephan Lee
Updated November 28, 2011 at 04:00 PM EST

Cassandra Clare, the author best known for the Mortal Instrument series, is back with the second installment of her other New York Times best-selling series, The Infernal Devices Trilogy. As you count down the seconds until Dec. 6, when Clockwork Prince hits shelves, we have a haunting, cinematic trailer that will transport you to Victorian London, where Shadowhunters roam the misty streets, the Magister is up to his dark deeds, and the Tessa-Jem-Will love triangle continues.

If the voice in the trailer sounds familiar to you, that’s because it belongs to Gossip Girl star Ed Westwick, who also narrates the audio versions of the books. The third and final Infernal Devices book is slated for Sept. 2013. See the Clockwork Prince trailer below!

So how epic was that?

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Watch more:

‘Mortal Instruments’: Official trailer for ‘City of Fallen Angels’

‘Mortal Instruments’: Another video from ‘City of Fallen Angels’

‘Mortal Instruments’: Behind-the-scenes of the ‘City of Fallen Angels’ audiobook