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.

In a small town on the coast of California, everyone over the age of fourteen suddenly disappears, setting up a battle between the remaining town residents and the students from a local private school, as well as those who have "The Power" and are able to perform supernatural feats and those who do not.

As Day and Eden struggle with who they've become since their time in the Republic, a new danger creeps into the distance between them, and Eden finds himself drawn into Ross City's dark side, where his legendary brother may not be able to save him.

"A horrific family tragedy sets sixteen-year-old Jacob journeying to a remote island off the coast of Wales, where he discovers the crumbling ruins of Miss Peregrine's Home for Peculiar Children. As Jacob explores its abandoned bedrooms and hallways, it becomes clear that Miss Peregrine's children were more than just peculiar. They may have been dangerous. They may have been quarantined on a deserted island for good reason"--Jacket.

"Shadowhunter Emma Carstairs and her parabatai Julian Blackthorn race to stop a demonic plot that threatens Los Angeles"-- Provided by publisher.

Still moping months after being dumped by her Arizona boyfriend Leo, fifteen-year-old Stargirl, a home-schooled free spirit, writes "the world's longest letter" to Leo, describing her new life in Pennsylvania.

Fourteen-year-old Jay tries to recover a group of wily monkeys escaped from a circus train in the hopes the reward will buy him the gun and pony he has so long wanted.

When seventeen-year-old Ginny receives a packet of mysterious envelopes from her favorite aunt, she leaves New Jersey to criss-cross Europe on a sort of scavenger hunt that transforms her life.

Thirteen-year-old Bonnie has a feeling of foreboding on the very day that her six-year-old brother Matt and their dog Pookie are abducted, and she becomes involved in a major search effort as well as a frightening adventure. Matt is missing. Bonnie's brother left his classroom to use the bathroom --and disappeared. A police dog traces his scent to the curb, where he apparently got into a vehicle. But why would Matt go anywhere with a stranger? Overwhelmed...

Follows three young operatives of a Psychic Detection Agency as they battle an epidemic of ghosts in London.