"A girl is locked in a room in an old, abandoned house.  She has been hiding there for more than a hundred years.  Another girl, Jules, arrives at the ruined house and sees a pale face in an upstairs window.  Who is up there, she wonders, behind a locked door?  Jules finds out that a young girl has been watching her from the window.  Jules is fearful, then fascinated, then eager to befriend--and help--the captive, who is burdened by a chilling...

"With the help of some unexpected, and rather ghostly, allies, Lockwood & Co. must battle their greatest enemy yet, as they move ever closer to the moment when the earth-shattering secret of 'the problem' will finally be revealed"--

"Molly and her brother, Michael, agree that their new stepsister is a spoiled brat.  Mom wants Molly to watch out for Heather, since she's only seven.  But Heather only wants to make trouble for Molly and Michael.  She lies and tattles and misbehaves, and somehow they  get the blame.  They know she's trying to drive a wedge between her father and their mother, who recently married, so she can have her father all to herself--and it seems to be...

"Three sisters in San Antonio are shadowed by guilt and grief over the loss of their oldest sister, who still haunts their house"--

Neither the return of Big Bob Till, Dragonfly's report that his mother saw a ghost, nor a mysterious note warning that a cave is haunted will keep the gang from spending a night alone there.

When thirteen-year-old Ali spends the summer with her aunt and cousin at the family's vacation home, she stumbles upon a secret that her mother and aunt have been hiding for over thirty years. Just before summer begins, 13-year-old Ali finds an odd photograph in the attic. She knows the two children in it are her mother, Claire, and her aunt Dulcie. But who's the third person, the one who's been torn out of the picture? Ali figures she'll find out...

When fourteen-year-old Viola is sent from her beloved Brooklyn to boarding school in Indiana for ninth grade, she overcomes her initial reservations as she makes friends with her roommates, goes on a real date, and uses the unsettling ghost she keeps seeing as the subject of a short film--her first.

On Dead Wednesday, every eighth grader in Amber Springs is assigned the name and identity of a teenager who died a preventable death in the past year. The kids don black shirts and for the whole day everyone in town pretends they're invisible--as if they weren't even there. The adults think it will make them contemplate their mortality. The kids know its a free pass to get away with anything. Worm Tarnauer feels invisible every day, so he's not expecting...

Thirteen-year-old Kit goes to live with his grandfather in the decaying coal mining town of Stoneygate, England, and finds both the old man and the town haunted by ghosts of the past.

Confronted by a bullying cat ghost when they move in with their new human family, two former shelter cats are blamed for all kinds of mischief before endeavoring to uncover the ghost's story.