All six books in the #1 New York Times Bestselling Mortal Instruments series, now available in a collectible paperback boxed set. Enter the secret world of the Shadowhunters with this handsomely packaged boxed set that includes City of ONEs, City of Ashes, City of Glass, City of Fallen Angels, City of Lost Souls, and City of Heavenly Fire. the Mortal Instruments books have more than twenty-four million copies in print, and this complete collectible set of six paperback volumes is a perfect gift for newcomers to the series and for loyal fans alike.