Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.

After fourteen-year-old Ozzy's scientist parents are kidnapped, Ozzy's only help may be a classified ad that says "Wizards for hire."

Reynie, Kate, Sticky, and Constance, all graduates of the Learning Institute for the Very Enlightened and members of the Mysterious Benedict Society, embark on a scavenger hunt that turns into a desperate search for the missing Mr. Benedict.

Out of breakfast food, Brian the duck goes hunting for his best friend Gregory, and although there are plenty of other ducks around doing strange and potentially interesting things, Gregory is nowhere to be found.

Told from separate viewpoints, as Finn, Emma, and Chess Greystone and Natalie Mayhew, ages eight to thirteen, continue their quest to rescue their mothers they must return to the alternate dimension where truth is illegal.

"Danny Timmons has looked up to Jack Bailey ever since Jack saved two small children from drowning during the Great Flood of 1940. Now, with his father away fighting in World War II and his mother about to have a new baby, Danny relies on Jack's friendship and guidance more than ever. So when Jack goes missing without a trace from their small Appalachian town, Danny is determined to find him. He wonders if Jack's abusive father could be behind his...

It all begins with a fugitive billionaire and the promise of a cash reward. Turtles All the Way Down is about lifelong friendship, the intimacy of an unexpected reunion, Star Wars fan fiction, and tuatara. But at its heart is Aza Holmes, a young woman navigating daily existence within the ever-tightening spiral of her own thoughts.

When her brother disappears into the Fae realm, twelve-year-old Lark must try to save him by solving riddles, fixing an ancient clock, and trusting her new Fae friend, Rook.

While on winter break, Charlotte and Jamie find themselves caught up in another mystery when Charlotte's uncle goes missing and they begin an investigation into a German art forgery ring.

When their friend vanishes during a camping trip down by Salvation Creek, four friends have a very different story to tell about what happened that night, in this gripping mystery told entirely through first-person interviews.