"What if young Arthur Conan Doyle really went to a secret school for extraordinarily gifted children called Baskerville Hall? When a mysterious man with a pipe notices young Arthur's incredible deductive skills, Arthur's offered a spot at the esteemed Baskerville Hall and a chance to lift his family out of poverty. There Arthur makes quick friends with Irene Eagle, a girl who boldly strides into any adventure, and Jimmie Moriarty, a boy whose brilliance...

Twins Theo and Alexander, their older sister Wil, and five new friends find themselves at an electrifying manor run by Mister Frank and Dr. Stein. The Sinister-Winterbottoms and their friends arrive at Stein Manor Science Camp. They all work together to distract the friendly teenage camp director so they can explore and look for clues about where their parents might be. Theo and Alexander know exactly where Edgaren't is going to come for them and...

Nine-year-old Ella considers herself the official greeter, tour guide, and is generally in charge of 1106 Wildflower Place, but the elusive Robinsons who live on the top floor are a mystery--one which Ella is determined to solve, and bring the elderly couple into the community of the apartment building on Poppy Hill.

Twelve-year-old Jake McQuade is the smartest kid in the universe, but if he wants to keep his title he will have to figure out a way to defeat the villain who steals his ingestible knowledge capsules. Jake McQuade's the smartest kid in the universe--or at least he was. But just as his training with the secret agency known as the Consortium is about to start, Jake's jelly beans go missing! And to make matters worse, they (and Jake's genius!) might...

"Fifteen-year-old Amani Kendall’s biggest problem is being the only plus-size Black girl at a white private school—until her house burns down and her family is unexpectedly on the run. Suddenly, she’s reeling from the news that her formerly boring mom is being pursued by an ex-boyfriend turned stalker, and her scientist dad has gone MIA. At the same time, she has to navigate an underfunded school in the city, suffering the cultural...

Following the clues left behind, Theo and Alexander find themselves at Siren's Song Seaside Amusement Park, where they must work together to escape, stop their newfound nemesis Essa, save Wil and their friends, and find their parents.

Ziggy's mother disappeared ten years ago, one of the many Native women who have mysteriously gone missing, and Ziggy believes a secret cave may hold the key--so with his sister, Moon, and friends Alice and Corso, he sets out to find the cave and solve the mystery of his family's origins.

"Harper is dealing with too many new changes in her house. Her cousin, Leo, is now living with them; her sister, Kelly, has started working at a local makeup store, Jeune; and Harper's spirit hunter abilities have grown increasingly more powerful and uncontrollable, making her a target for possession. But when Harper and Dayo uncover a dangerous plot to steal youth from millions of innocent people, Harper must use all her powers to destroy an ancient...

It all began with the mystery of the long-lost Hoal Jewels. Some had stumbled across the forgotten fact that the jewels even existed. That same someone wanted very badly to find them by using the seventh grade to uncover hidden clues. What that person never counted on was two of those seventh graders putting all the clues together. That person never expected a couple of kids to try to get to the jewels first. Thirteen million dollars can motivate...

Jorge teams up with his friends Liza, Ernie, and Carter, the fearsome but friendly chupacabra, to solve the mystery behind an old legend about an evil piñata possessed by a ghost.