Hazel, a twelve-year-old aspiring detective, must decode a series of ominous clues tied to a century-old tragedy to find a missing teenager before it is too late.

Witty typewriter Olivetti and twelve-year-old introvert Ernest embark on a mission to find Ernest's missing mother that takes them across San Francisco.

When twelve-year-old Rayleigh discovers he is part monster and that his dad, the Supreme Scarer, is missing, he journeys to a magical world below London where he must fight the most frightening, decide what sort of monster he is at heart, and find his father.

A research trip to the Amazon rainforest turns into a dangerous mystery when Ring and Asia Wilde's scientist mother goes missing, and in order to rescue her, they must use their skills to survive the jungle.

Eleven-year-old Everett and his little sister Bea discover an enchanted ink pen that transports them to a magical world, where they must find and protect the last Inkwell and save their missing father.

In this mesmerizing fantasy rooted in Urhobo and West African folklore, sixteen-year-old Naborhi longs for a life away from her small, traditional clan in Kokori. But as her rite of passage approaches and she is betrothed to an arrogant young man, Naborhi feels her dreams slipping away from her. Then Naborhi becomes bonded to a mysterious animal and begins having harrowing visions of a kidnapped boy. She soon meets Atai, the son of an Oracle from...

"After saving Paris from a Snailien invasion, Stitch and his friends are off to the big apple. People have been disappearing all over New York City, and the Galactic Detective Agency suspects that a group of shapeshifting aliens are to blame. Now it is up to Stitch to figure out what has happened to the missing people and save the day. But how do you a solve a mystery when the suspects can disguise themselves to look like anyone, maybe even your best...

"Eleven-year-old Daisy Thistledown is on the run. Her mother has been keeping big, glittering secrets, and now she has vanished. Daisy knows it's up to her to find Ma-- but someone is hunting her across London. Someone determined to stop her from discovering the truth. So when Daisy flees to safety through a mysterious hidden doorway, she can barely believe her eyes--she has stepped out of the city and into another world. This is the Greenwild. Bursting...

"School's out, and Wiki and Leen Ellison are facing a new challenge... their first summer apart! Genius inventor Leen has been accepted to Petey Thunkle's world-famous summer training program for STEM prodigies with their eyes on the stars. Meanwhile, Wiki is looking forward to her first summer on her own, running the family corn stand and outclassing Otto and Sheed Alston. But the night before Leen's departure, the twins find out that Wiki has also...

"Ever since her dad died, 11-year-old Jerry Blum and her mom have bounced around dead-end towns, staying in a series of rundown motels where her mother picks up housekeeping work and Jerry can get around in her wheelchair. But the Slumbering Giant motel is different. Lights blink on and off in the surrounding trees, a mysterious radio station plays only at midnight, and people disappear into the woods, never to been seen again. Not to mention that...