Colin and Nevaeh are great at finding things. After all, they found each other and became best friends--even though their parents are business rivals. They also found hidden boxes of secret letters, which led them to unravel mysteries about kids from the 1970s. But when they started Mystery Solvers Inc., they didn't expect to be asked to find a ghost. Ree recruits them to investigate a series of spooky photos left behind in her family's new house....

When Hannah moves next door to a spooky cemetery, she doesn't believe the legend of a ghost cat stalking the grounds, but the disappearance of her half-sister's cat Icky and strange occurrences around the house have her reconsidering.

Thinking her friend Zeke is getting too much into his phantom role in the school play, Brooke becomes alarmed when scary things start happening backstage and wonders if a real phantom is out to stop the show

"Alice's world is falling apart. Her parents are getting a divorce, and they've cancelled their yearly cottage trip--the one thing that gets Alice through the school year. Instead, Alice and her mom are heading to some small town where Alice's mom will be a live-in nurse to a rich elderly lady. The house is huge, imposing, and spooky, and everything inside is meticulously kept and perfect--not a fun place to spend the summer. Things start to get weird...

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

Twelve-year-old Silas is awoken in the dead of night by three menacing horsemen who take his father away. Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool...who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore...

Ginny is unhappy when her family moves from Chicago to upstate Michigan for the summer; her father has a job restoring a 1930s mansion, but there are rumors about Woodmoor and the forest next to it: rumors about strange mutant creatures; Ginny, an aspiring mystery writer, is soon half convinced that the rumors are true, because something or someone is haunting the house--and she plans to investigate, with the help of Will, the older boy who lives...