When she discovers that Jace is bound to her evil brother Sebastian by the demon Liliths magic, making him a servant of evil, Clary plays a dangerous game, with the help of Alec, Magnus, Simon, and Isabelle, to try to save his soul.

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.

Fifteen-year-old twins, Sophie and Josh, find themselves caught up in the deadly struggle between rival alchemists, Nicholas Flamel and John Dee, over the possession of an ancient book that holds the secret formulas for alchemy and everlasting life.

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.

When seventeen-year-old orphaned shapechanger Tessa Gray is kidnapped by the villainous Mortmain in his final bid for power, the London Institute rallies to save her, but is beset by danger and betrayal at every turn.

On the planet Co:pern:ica, which is a parallel world to that of Crescent Lane, David is twelve years old and is trying to save a firebird that has been turned to evil by the malevolent Ix.

At a rustic summer camp, sixteen-year-old Tori, a senator's daughter, learns that she is descended from medieval dragon slayers, that dragons still exist, and that she is expected to hone her special abilities to join her fellow campers in battling the beasts and the man who controls them.

Sixteen-year-old Colt McAllister, now in training at the secret Central Headquarters Against the Occult and Supernatural academy, joins in the battle against alien forces and discovers startling truths about himself, his friendship with Oz, and why he is being singled out from his fellow recruits.

Seventeen-year-old Karou, a lovely, enigmatic art student in a Prague boarding school, carries a sketchbook of hideous, frightening monsters--the chimaerae who form the only family she has ever known.

A manuscript from the lost civilization of Edil-Amarandah chronicles the experiences of sixteen-year-old Maerad, an orphan gifted in the magic and power of the Bards, as she escapes from slavery and begins to learn how to use her gift to stave off evil.