Evie Von Rathe lives in Blight Harbor—the seventh-most haunted town in America—with her Aunt Desdemona, the local paranormal expert. Des doesn’t have many rules except one: Stay out of the abandoned slaughterhouse at the edge of town. But when her aunt disappears into the building, Evie goes searching for her. There she meets The Clackity, a creature who lives in the shadows and seams of the slaughterhouse. The Clackity makes a deal with Evie to help get Des back in exchange for the ghost of John Jeffrey Pope, a serial killer who stalked Blight Harbor a hundred years earlier. 

Ivette. Joanna. And now: Katrina. Whatever her name is, it won’t last long. Katrina doesn’t know any of the details about her past, but she does know that she and her parents are part of the Witness Protection Program. Whenever her parents say they have to move on and start over, she takes on a new identity. A new name, new hair color, new story. Until their location leaks and her parents disappear. Katrina embarks on a dangerous rescue mission to save them - and find out the truth of her past at last.

Twelve-year-old Adela “Addie” Ramírez has a big decision to make when her stepfather proposes adoption. Addie loves Alex, the only father figure she’s ever known, but with a new half brother due in a few months and a big school theater performance on her mind, everything suddenly feels like it’s moving too fast. She has a million questions, and the first is about the young man in the photo she found hidden away in her mother’s things.

Orphan Elizabeth Somers’ malevolent aunt and uncle ship her off to the ominous Winterhouse Hotel, owned by the peculiar Norbridge Falls. Upon arrival, Elizabeth quickly discovers that Winterhouse has many charms - most notably its massive library. It’s not long before she locates a magical book of puzzles that will unlock a mystery involving Norbridge and his sinister family. 

Twelve-year-old Jolene spends every day she can at the library watching her favorite livestream: The Desert Aviator, where twelve-year-old "Addie Earhart" shares her adventures flying an ultralight plane over the desert. While watching this daring girl fly through the sky, Jolene can dream of what it would be like to fly with her, far away from her own troubled home life where her mother struggles with a narcotic addiction. And Addie, who is grieving the loss of her father, finds solace in her online conversations with Jolene, her biggest - and only - fan.