An elite group of underdogs trained to fight crime must save their unique school from shutting down.

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.

The spies head to New York City when a credible threat is made against a young climate activist.

Seventeen-year-old Mattie Hathaway is accustomed to seeing ghosts, but eight dead girls out for her blood--that's a new one even for her. And when someone she loves dies, Mattie struggles with letting them go.

Third graders Abby, Cam, and Gabe call themselves the Prime Detectives, and after a series of mysterious events on the first day of school, they band together to use their math skills to discover the truth behind a missing iPad, a zipline accident, poisonous cookies, and strange sounds from a wheelbarrow.

Famous crime fighter Smiffy Blue blunders his way to solving the mystery of a missing formula and three other cases.

Amateur second-grade detective Daisy helps her teacher find a missing stapler.

Follows a group of bumbling dog detectives and their newest cat recruit as they sniff out the identity of an art forger.

"Asim's friend Max is in danger! Asim is sure some sort of supernatural being--a witch, maybe?--is after Max. Rokshar, the levelheaded one of the group, thinks the woman is a scientist using kids for her experiments! Either way, Max is in trouble, and it's up to Asim and Rokshar to keep him safe. But when they get close to finding answers, Asim and his friends are attacked by fireballs. Is science behind the flying fire? Or is it a witch from Guyanese...

Eleven-year-old Zander is determined to save his grandmother's nineteen-story out-of-this-world department store from an evil force.