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

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.

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 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.

When the dark magical force within him challenges his effort to forge new alliances and build a defense against a new threat, Nikolai Lantsov, the young king of Ravka, embarks on a journey to his country's most magical places to vanquish it.

Twelve-year-old Max and his allies risk much as they seek to acquire the Book of Origins, an artifact of unimaginable power, in hopes of halting the ancient evil that is bringing the world to its knees.

"Emilia and her twin sister Vittoria are streghe--witches who live secretly among humans, avoiding notice and persecution. One night, Vittoria misses dinner service at the family's renowned Sicilian restaurant. Emilia soon finds the body of her beloved twin ... desecrated beyond belief. Devastated, Emilia sets out to find her sister's killer and to seek vengeance at any cost--even if it means using dark magic that's been long forbidden. Then Emilia...

Still pursuing a cure for her mother's enchantment, Clary uses all her powers and ingenuity to get into Idris, the forbidden country of the secretive Shadowhunters, and to its capital, the City of Glass, where with the help of a newfound friend, Sebastian, she uncovers important truths about her family's past that will not only help save her mother but all those that she holds most dear.

After fourteen-year-old Aru Shah and her friends fail to keep a prophecy from the Sleeper, they undergo a rebranding campaign to prove the Pandavas's trustworthiness, but Aru believes they need to focus on finding the Tree of Wishes before the Sleeper and stopping war between the devas and the demons.

Lan's last remnant of her mother--and the fallen Hin dynasty of her ancestors--is a symbol seared onto her wrist, which, if the mysterious boy she encounters is to be trusted, may be the key to freeing her people by mastering the ancient, forgotten art of practitioning.