Twelve-year-old Sarah Greene wants nothing more from her seventh-grade year than to beat the hardest escape room left in her town with her best friends, West, and Hannah. But when a foreclosure notice shows up on Sarah's front door, everything changes. Since her father became ill two years ago, things have been bad, but not lose your house bad . . . until now.

Siblings Alex and Zoe Sherlock take their last name as inspiration when choosing a summer job. After all, starting a detective agency has to be better than babysitting (boring), lawn mowing (sweaty), or cleaning out the attic (boring and sweaty). Their friends Lina, an avid bookworm, and Yadi, an aspiring cinematographer, join the enterprise, and Alex and Zoe’s retired reporter grandfather offers up his sweet aquamarine Cadillac convertible and storage unit full of cold cases. The group’s first target is the long-lost treasure supposedly hidden near their hometown Miami.

Tessa Woodward isn't exactly thrilled to move to rainy, cold Chicago from her home in sunny Florida. But homesickness turns to icy fear when unexplainable things start happening in her new house. Things like flickering lights, mysterious drawings appearing out of nowhere, and a crackling noise she can feel in her bones. When her little brother's doll starts crying real tears, Tessa realizes that someone - or something - is trying to communicate with her. And it involves a secret that's been shrouded in mystery for more than 100 years.

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

All Ginny Anderson wants from her summer is to sleep in, attend a mystery writing workshop, and spend time with her best friend. But when Ginny's father—a respected restoration expert in Chicago—surprises the family with a month-long trip to Michigan, everything changes. They aren't staying in a hotel like most families would. No, they're staying in a mansion. A twenty-six room, century-old building surrounded by dense forest. Woodmoor Manor.