"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.”...

To find her best friend Polly who went missing, Maren Montgomery enters into a high-stakes world she never knew existed within her boarding academy, where she is forced to play increasingly dangerous games to win Polly's survival.

"When best friends Abbi and Skylar witness a clandestine meeting between a mysterious woman and someone in a dark van, they're thrilled. Finally, a mystery to spice up the summer! Who could these people be? Why are they meeting? Are they spies? Criminals? The two girls are determined to find out. But then a local woman goes missing and is found dead in the woods. And Abbi and Skylar realize that their detective work could hold the keys to solving...

"When her best friend Madison mysteriously disappears, Caroline feels compelled to get involved in the investigation. She has her own reasons not to trust the police, and she owes Madison - big time. Suddenly Caroline realizes how little she knew of what her friend was up to. Caroline has some uncomfortable secrets about the hours before Madison disappeared, but they're nothing compared to the secrets Madison has been hiding. Why do all paths seem...

"The room is watching. But Mira and Layla don't know this yet. When they are stranded on their College Tour Spring Break Best Friend Road Trip, they find themselves at the Wildwood Motel, located in the Middle of Nowhere, Indiana. Mira can't shake the feeling that there is something wrong and rotten about their room. Inside, she's haunted by nightmares of her dead brother. When she wakes up, he's still there. Layla doesn't see him. Or notice anything...