When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, the Hardy Boys search for the truth.

"Josh and Amanda just moved into the oldest and weirdest house on the block. It might even be haunted. But their parents don't believe them. You'll get used to it, they say. Go out and make some new friends. So Josh and Amanda do. But these creepy new friends are not exactly what Mom and Dad had in mind.. Because they want to be friends ... forever..." -- P. [4] of cover.

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

"The phantoms of her old life keep haunting Marigold, but a move with her newly blended family from their California beach town to the Midwestern city of Cedarville might be the fresh start she needs. Her mom has accepted a new job with the Sterling Foundation that comes with a free house, one that Mari now has to share with her bratty ten-year-old stepsister, Piper. The renovated home on Maple Street has secrets. Household items vanish, doors open...

Tired of the rules that have bound them ever since "the bad thing happened," twelve-year-old Diana ignores her brother's warnings and befriends the daughter of the new caretaker, setting in motion events that lead to the release of the spirit of an evil, crazy woman who once ruled the old Willis place.

"Ophelia Harrison used to live in a small house in the Georgia countryside. But that was before the night in November 1922, and the cruel act that took her home and her father from her. Which was the same night that Ophie learned she can see ghosts. Now Ophie and her mother are living in Pittsburgh with relatives they barely know. In the hopes of earning enough money to get their own place, Mama has gotten Ophie a job as a maid in the same old manor...

"In the summer before middle school, eleven-year-old Bug must contend with best friend Moira suddenly caring about clothes, makeup, and boys; a ghost haunting; and the truth about Bug's gender identity."--

Kazu Kibuishi's #1 NEW YORK TIMES bestselling series is now available in eBook!

Emily and Navin's mother is still in a coma from the arachnopod's poison, and there's only one place to find help: Kanalis, the bustling, beautiful city of waterfalls. But when Em, her brother, Miskit, and the rest of the robotic crew aboard the walking house reach the city, they quickly realize that seeking help also means looking for trouble.

The members of the Baby-sitters Club split their time between babysitting and investigating the spooky noises behind Dawn's bedroom wall.

"What should Carly Beth be for Halloween this year? Terrified! Late at night, an ugly green mask is mysteriously calling out to her, and ugly green masks don't like to be ignored" (publisher).