"The Shadowhunter Chronicles" is a series of urban fantasy novels written by Cassandra Clare. The story is set in a world where humans, known as Shadowhunters, protect the mundane world from supernatural creatures like demons, vampires, and werewolves. The series includes several main books, spin-offs, and companion stories, all interconnected through a rich mythology. The first book, "City of Bones," introduces readers to Clary Fray, a teenager who discovers her hidden heritage as a Shadowhunter. As she navigates this new world, she encounters various characters, including Jace Wayland and Simon Lewis, who help her uncover secrets about her past and the ongoing battle against dark forces.