When eleven-year-old Olive and her distracted parents move into an old Victorian mansion, Olive finds herself ensnared in a dark plan involving some mysterious paintings, a trapped and angry nine-year-old boy, and three talking cats.

"A strange house appears on Jac's street on the five-year anniversary of her cancer diagnosis, and when she gets trapped inside she will have to confront horrors from her past to find a way out." --

"Quirky, tool-wielding Alice Cannoli-Potchnik begins to repair the dilapidated mansion next door--only to discover the old house is home to ghosts, and they need mending, too"--

In this story told mostly through letters, children's book author, I. B. Grumply, gets more than he bargained for when he rents a quiet place to write for the summer.

"When twelve-year-old Garnet finally gets to meet her magical extended family she discovers they're all trapped in the ruins of their crumbling manor and Garnet must break a curse that has decimated three generations of Carrefours"--

Irish orphans Molly, fourteen, and Kip, ten, travel to England to work as servants in a crumbling manor house where nothing is quite what it seems to be, and soon the siblings are confronted by a mysterious stranger and secrets of the cursed house.

"A girl must stop the Boogeyman living in her home from stealing her family's warmest memories"--

"It's time for the annual pet fair and the twins have been hard at work teaching their dog, Max, some new tricks. But on their way to the fairgrounds, they're offered not one, but two intriguing cases. Pets from the pet show have gone missing and their guardians are blaming each other for the disappearances. Meanwhile, Lark and Connor's frenemy, Sophie, thinks her house might be haunted and refuses to go inside. The twins split up to solve the mysteries,...

Cordelia, Brendan, and Eleanor Walker, aged fifteen to eight, must rely on a mysterious book to face the Wind Witch and her father, the Storm King, who have kidnapped Dr. and Mrs. Walker and brought them to a strange world of magic.

Nancy Drew and her friends find unexpected trouble when they watch a house in London.