Dot the Diplodocus is puzzled by the strange behavior of her family and friends, but when she investigates she finds a trail of popcorn that leads her to an answer.

"No matter what anyone tells you, I'm real. That's what the note says that Max finds under his keyboard. He knows that his best friend, Josie, wrote it. He'd know her handwriting anywhere. But why she wrote it--and what it means--remains a mystery. Ever since they met in kindergarten, Max and Josie have been inseparable. Until the summer after fifth grade, when Josie disappears, leaving only a note, and whispering something about “whatnot rules.”...

Esha and her best friends, Avery, Bree, and Jaelyn, are set for a great summer at Storm Cliff Stables improving their riding skills--until Esha tells a ghost story around the campfire that has everybody jumping at shadows, and blaming the imaginary ghost for anything that goes wrong.

Although housebound following an eerie accident, teenaged Ryan continues to investigate the strange occurrences in his hometown of Skeleton Creek, recording his findings in a journal and viewing email video clips sent by fellow detective Sarah. The reader may view Sarah's videos on a website by using links and passwords found in the text.

"Having survived sinister scarecrows and the malevolent smiling man in Small Spaces, newly minted best friends Ollie, Coco, and Brian are ready to spend a relaxing winter break skiing together with their parents at Mount Hemlock Resort. But when a snowstorm sets in, odd things start happening. Coco is convinced she has seen a ghost, and Ollie is having nightmares about frostbitten girls pleading for help. Then Mr. Voland, a mysterious ghost hunter,...

"Eleven-year-old Max struggles with his ADHD and making mistakes, so when a mistake leaves one friend in a coma and another shutting him out, Max resolves to find out what really happened that night"--Title page verso.

After summer break Anastastia and Edie are back at their boarding school, Knight's Haddon, but the friendship they forged last year is threatened by the arrival of a new girl, Janet, who befriends the orphaned Edie--but when Edie begins to think that Janet may not be exactly what she seems to be, events take a dangerous turn.

Abby sees a strange blue-green light. Aliens? Electrical storm? Fog warning? She drags bestie Clara out to investigate after bizarre things start happening.

Jasmine has looked forward to spending Girls Day with her family and best friend, Linnie, but first her sister says she will not participate, and then Jasmine upsets Linnie.

Twelve-year-olds Oliver Beane and Frankie Figge are starting middle school in their suburban town of Lake Grove Glen, but from the beginning things seem a little weird, starting with the mysterious girl Matilda Sandoval who seems to know a lot about the boys, and continuing with a series of apparently random events that may not be random at all; somehow it all leads back to Preston Oglethorpe, a former student genius at their school who won the Nobel...