The first four 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 Bones , City of Ashes , City of Glass , and City of Fallen Angels. The Mortal Instruments books have more than five million copies in print, and this collectible set of the first four volumes in paperback makes a great gift for newcomers to the series and for loyal fans alike.The first four 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 Bones , City of Ashes , City of Glass , and City of Fallen Angels. The Mortal Instruments books have more than five million copies in print, and this collectible set of the first four volumes in paperback makes a great gift for newcomers to the series and for loyal fans alike.