All six books in the #1 New York Times bestselling Mortal Instruments series, now available in a collectible hardcover 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 , City of Fallen Angels , City of Lost Souls, and City of Heavenly Fire . The Mortal Instruments books have more than five million copies in print, and this collectible set of six hardcover volumes is a perfect gift for newcomers to the series and for loyal fans alike.