When Abby Miller confesses her crush on Jake during a game of Truth or Dare and then receives a text message warning her to stay away from him, she starts suspecting that her stalker is a ghost, and not a jealous classmate.

Unexpectedly loving her new home in the country, Ashley is astonished to learn that her new friends are not allowed to go trick-or-treating, a situation that compels her to host a Halloween party that is overshadowed by scary discoveries.

When Katie's best friend moves away and she accepts an invitation from the new girl in town, she is unsettled by the girl's strange obsession with her dolls.

"Every home has its secrets. For Nora, the truth starts to be revealed on Halloween night. It's been a bad few months for Nora Wilson. There was a huge fire in her family's apartment this summer, and her parents have been acting superweird ever since. They won't let her or her brother out of the apartment anymore, not even to go to school. So when Nora's parents say she can go trick-or-treating on Halloween, Nora is thrilled. And she's even more thrilled...

Bree is delighted to get the lead role in "The Last Sleepover" at Thomas Jefferson Middle School, but from the start the rehearsals are marked by strange occurrences until she begins to fear she will not survive opening night.

Emmy Spencer and Lizzy Draper have been best friends since birth, but now that they're in seventh grade, they've begun to drift apart. Lizzy, insistent on being called Liz now, has a new group of friends, and she has gone out of her way to exclude Emmy from them. It's almost as if Lizzy doesn't want Emmy hanging out with her anymore. But then Emmy comes into possession of a doll that can change all that--a voodoo doll that will put Emmy in control...

Sharing a common nightmare about a sinister boy in an abandoned cabin, the girls in Camp Minnehaha's Bunk 9 are astonished when annoyingly well-behaved Samantha meets the boy in the woods and pursues a romance with him, inciting the jealousy of her twin, Ali.