Suddenly able to see demons and the Shadowhunters who are dedicated to returning them to their own dimension, fifteen-year-old Clary Fray is drawn into this bizzare world when her mother disappears and Clary herself is almost killed by a monster.

Sixteen-year-old Clary continues trying to make sense of the swiftly changing events and relationships in her life as she becomes further involved with the Shadowhunters and their pursuit of demons and discovers some terrifying truths about her parents, her brother Jace, and her boyfriend Simon.

"When a girl who's never longed for adventure is hit with a curse that begins to transform her into a demon, she embarks on a quest to reverse the curse and return to her normal life, but along the way is forced to confront her true power within"--Publisher.

When he discovers a century-old amulet from the Philippines that's supposed to bring good luck, Freddie couldn't be more wrong and has thirteen days to break a curse or meet an untimely demise.