This is a set of four books from "The Mortal Instruments" series by Cassandra Clare. The titles included are "City of Bones," "City of Ashes," "City of Glass," and "City of Fallen Angels." These books are trade paperbacks written in English and are intended for young adult readers who enjoy adventure, fantasy, and paranormal genres. The narrative type is fiction and the story revolves around angels and supernatural beings.

These books are published by Margaret K. McElderry Books and are perfect for fans of young adult fantasy novels. The original language is English and the set is in excellent condition. Get your hands on this amazing collection and dive into the world of the Shadowhunters!