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

There are three rules in the neighborhood: Don't cry ; Don't snitch ; Get revenge. Will takes his dead brother Shawn's gun, and gets in the elevator on the 7th floor. As the elevator stops on each floor, someone connected to Shawn gets on. Someone already dead. Dead by teenage gun violence. And each has something to share with Will.

"Imagine an America very similar to our own. This America been shaped dramatically by the magic, monsters, knowledge, and legends of its peoples. Elatsoe lives in this slightly stranger America. She can raise the ghosts of dead animals, a skill passed down through generations of her Lipan Apache family. Her beloved cousin has just been murdered, in a town that wants no prying eyes. But she is going to do more than pry"--

When trick-or-treaters let their imaginations run wild, ordinary backyard items seem spooky, so that a mud puddle looks like a swamp and tree branches look like skeletons.

Second-graders Ivy and Bean set out to expel the ghost who is living in the girls' bathroom at their school.

Ghost tries to help Skeleton get rid of the hiccups.

When Eva Wingdale sees something large and white flying above her she is convinced that it is a ghost, although most of the other owls just laugh at her--until something large and heavy and white lands on the school roof.

Sixteen-year-old Susannah Simon is a mediator, one who communicates with the dead, and she also happens to be in love with Jesse, a nineteenth-century ghost.

"Twelve-year-old Milo is stuck spending the winter holidays in a house full of strange guests who are not what they seem-again! He will have to work with friends old and new to uncover clues in search of a mysterious map and a famous smuggler's lost haul"--

Three mischievous ghosts love scaring little children, until the children decide to take matters into their own hands.