Cassandra Clare

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.

As the Council attempts to strip Charlotte of her power, sixteen-year-old orphaned shapechanger Tessa Gray works with the London Shadowhunters to find the Magister and destroy his clockwork army, learning the secret of her own identity while investigating his past.

As mysterious murders threaten the new peace between Shadowhunters and Downworlders, only Simon, the Daylighter vampire, can help bring both groups together.

When sixteen-year-old orphan Tessa Fell's older brother suddenly vanishes, her search for him leads her into Victorian-era London's dangerous supernatural underworld, and when she discovers that she herself is a Downworlder, she must learn to trust the demon-killing Shadowhunters if she ever wants to learn to control her powers and find her brother.

"Darkness has descended on the Shadowhunter world. Chaos and destruction overwhelm the Nephilim as Clary, Jace, Simon, and their friends band together to fight the greatest evil they have ever faced: Clary's own brother. Nothing in this world can defeat Sebastian--but if they journey to the realm of demons, they just might have a chance.."--

It's been five years since the events of City of Heavenly Fire that brought the Shadowhunters to the brink of oblivion. Emma Carstairs is no longer a child in mourning, but a young woman bent on discovering what killed her parents and avenging her losses. Together with her parabatai Julian Blackthorn, Emma must learn to trust her head and her heart as she investigates a demonic plot that stretches across Los Angeles, from the Sunset Strip to the enchanted...

High Warlock Magnus Bane learns that a demon-worshipping cult, the Crimson Hand, is wreaking havoc across Europe, threatening more than just his romantic getaway with new boyfriend, Alec Lightwood. High Warlock Magnus Bane and his new lover, the mortal Alec Lightwood, are celebrating their survival and victory in the Mortal War by touring the world. But the world won't leave them alone-- Magnus learns that a demon-worshipping cult, the Crimson Hand,...

Cordelia Carstairs' romantic dreams must be put on hold when a serial killer begins targeting the Shadowhunters of London, sending the Merry Thieves on the trail of a knife-wielding killer.

Now entering his final year at the Magisterium, Callum Hunt feels more unwelcome than ever, estranged even from his former friends, and hounded by the furtive darkness of Constantine's evil soul--in fact, as he approaches his greatest challenge, the only "person" he can count on is Aaron, whom he raised from the dead, and whose consciousness is currently residing in Callum's brain.

Things have been better for Callum Hunt since the evil Constantine Madden was "officially" destroyed, even his relations with his father have improved, so he is happy to get back to the Magisterium for his Bronze Year to continue his magical studies--but when one of the students is murdered, Call and his friends, Tamara and Aaron, must track down the killer, without revealing the fact that Call is Madden reborn.