"The Kidd children--including twelve-year-old twins Rebecca and Bickford--follow mysterious clues that take them from China to Germany, in the hopes of finding their missing father and the treasure that will finally free their kidnapped mother"--

Samantha's uncle mysteriously disappears, leaving behind extravagant gifts for her siblings and an old, rusty, red umbrella for Samantha that may contain clues to his whereabouts.

Twins Theo and Alexander and their sister Wil are abruptly dropped off at their Aunt Saffronia's house, where they learn they must complete a series of tasks in order to see their parents again--and their first assignment is at a waterpark.

Beatrice Fletcher, great-grandniece of famous mystery writer Jessica Fletcher, is obsessed with the unsolved mysteries and murders of Cabot Cove, Maine, but this time the case becomes personal when her best friend Jackson disappears and she must rely on the help of three students from the elite Broadmoor Academy to find him.

"The Mighty Muskrats have a new case to solve: to find the whereabouts of their grandpa's long-lost sister. Once in the bright lights of the big city, the cousins get distracted, face off with bullies, meet some heroes and unlikely teachers, and experience many of the difficulties First Nations kids can face in the city. The Muskrats' search for their missing auntie takes them all the way to the government, and reveals hard truths about their country's...

Brack, owner of the Abracadabra Hotel, has disappeared at a critical time, and once again Charlie Hitchcock and Tyler Yu team up to solve the mystery--they know he never left the hotel, but the only clues they have is a few words scrawled on a piece of paper and a clump of fake red hair.

Sixteen-year-old Rue Silver, whose mother disappeared weeks ago, believes she is going crazy until she learns that the strange things she has been seeing are real, and that she is one of the faerie creatures, or Good Neighbors, that mortals cannot see.

On a planet on the brink of total destruction, teenager Remy is determined to find her missing friend, Alora, but the only way to track her down amidst the chaos is to team up with a traitor to stage a revolution.

"More than anything, ten-year-old Weezie wants to please her momma. She babysits her spoiled half-sister, Ruth Ann, and little Jackson. She makes tea for Momma in Gramma Emmeline's beautiful teapot. She even tries to cook dinner. But nothing turns out quite right. And Momma is never pleased. Hard times and a daddy who ran off before she was born seem to have stolen all of Momma's love. If only Weezie could find her daddy, she's sure her life would...

In 1426 in Joseon, a year after her father vanishes while investigating the disappearance of thirteen girls, eighteen-year-old Min Hwani returns to the island of Jeju to pick up his trail with the help of her estranged sister.