"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"--OCLC.
When Kelly and some friends have a webcam sleepover while her parents are stranded in a snowstorm out of town, Kelly tries to scare her friends with creepy tricks.
Emily Hunter loves hanging out with her new neighbors, Drew and Vicky Strig, but when she starts noticing some strange occurrences at their home, Emily begins to wonder if her neighbors are hiding a shocking secret.
"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"--OCLC.
Abby confesses her crush on Jake to her friends during a sleepover, but when someone starts sending her threatening texts warning her to stay away from Jake or else, Abby begins to suspect a jealous ghost is behind the warnings.