Mystery

During a family trip to China, eleven-year-old Mia Chen and her older brother, Jake, follow clues and solve riddles in hopes of finding their missing Aunt Lin and, perhaps, a legendary treasure.

The series follows Sammy through her seventh and eighth grade years as she navigates school, her family life, and various mysteries, all while developing her own character and perspective. 

A 14-year-old prodigy chef, Neil Flambé, uses his super-sensitive nose to solve mysteries, often involving culinary-related crimes, while also navigating the world of competitive cooking and restaurant ownership. He is known as "The Nose" for his ability to identify ingredients and clues by smelling things. 

The main idea of the Friday Barnes series is that eleven-year-old Friday Barnes, a girl genius and amateur detective, uses her intelligence and observational skills to solve mysteries, often in the context of her life at a prestigious boarding school. The series blends mystery, humor, and character development, focusing on Friday's adventures as she navigates school life, confronts challenges, and uncovers secrets. 

Thirteen-year-olds Cooper Goodman and Justice and Liberty Gordon investigate the eccentric residents of Windy Bottom, Georgia, after the remains of Coop's long-missing grandmother are uncovered and his Gramps is the prime suspect.

A dream vacation turns into a nightmare for twelve-year-old Lewis and his twin sister Alison when they accompany their irresponsible new neighbors on a trip to Yellowstone Park and are chased by two mysterious men.

When their parents are killed in an accident, eleven-year-old Javier and his younger brother leave their home in Puerto Rico to go live with their aunt in Northern California, where a ghost from an unsolved crime and Javi's new-found psychokinetic powers make their adjustment all the harder.

Henry, Anna, and Jose, the junior members of the Silver Jaguar Society, are on a mission in Paris to recover the Mona Lisa--but when senior members of the Society are taken hostage, it is up to Henry to rescue them while continuing to pursue the missing masterpiece.

In Portland, Oregon, between soccer games and beginning seventh grade, twelve-year-old Madison Kincaid and new classmate Jake try to track down her missing best friend, while also helping her attorney father solve a missing-persons case.

While on a journey from Chicago to San Francisco on the California Comet with his uncle, amateur sleuth Hal Beck stumbles into a mystery when the daughter of a billionaire tech entrepreneur goes missing.