Sixteen-year-old Genie's focus on getting into a top-tier college is destroyed when an enigmatic transfer student, Quentin, helps her transform into a demon-fighter.

When a demon from Jewish lore threatens the Tree of Life, a source of untold power and immortality, Anna Ballinkay and Colin Pierce enter the Otherworld to stop him, where they discover that the true danger is closer than they think.

Suddenly able to see demons and the Darkhunters 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.

Betrothed to the demon who rules her country and trained all her life to kill him, seventeen-year-old Nyx Triskelion must now fulfill her destiny and move to the castle to be his wife.

"With the return of the sorcerer Bram, and the disappearance of Asteroth, Rowan Academy must prepare to battle the demon Prusias"--

"Uriel the angel and Little Ash (short for Ashmedai) are the only two supernatural creatures in their shtetl (which is so tiny, it doesn't have a name other than Shetl). The angel and the demon have been studying together for centuries, but pogroms and the search for a new life have drawn all the young people from their village to America. When one of those young people, Essie, goes missing. Uriel and Little Ash set off to find her. Along the way...

"Gelya is a Vessel, a girl who channels the word of the One True God through song. Cloistered with the other Vessels of her faith, she believes--as all Ovinists do--that a saint imprisoned Elath the Great Demon centuries ago, saving humanity from earthly temptation. When Gelya stumbles into a deadly cover-up by the Ovinists' military, she reluctantly teams up with Tavik, an enemy soldier, to survive. Tavik believes that Elath is actually a mother...

The Disciples are being manipulated by beings older than time, and only Kernel Fleck knows that something is wrong.