"Sooner or later, we're all gonna be okay." That's what Dani's Grandma Beans used to say. But that was before she got Alzheimer's. Lately, Dani isn't so sure Grandma Beans was right. In fact, she isn't sure of a lot of things, like why Mac Richardson suddenly doesn't want to be her friend, and why Grandma Beans and Avadelle Richardson haven't spoken in decades. Lately, Grandma Beans doesn't make a lot of sense. But when she tells Dani to find a secret...

"No matter how dangerous his adventures have been, Art has always been able to count on his best friend, Camille. Now that Camille is meeting her estranged father, Art wants to be there for her--which means going to London. But Camille's history professor father, renowned for expertise in British legend, is missing. When they visit his apartment, Art and Camille find a long-missing object that suggests the professor could be in trouble and solving...

When the Hardys' wealthy neighbor is robbed, Joe and Frank are asked by their father to help solve the case.

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.

Like her idol Sherlock Holmes, eighth grader Ingrid Levin-Hill uses her intellect to solve a murder case in her home town of Echo Falls.

At first Steve is disappointed to learn that his special trip with his grandfather is just to a cottage in Ontario, but he is soon caught up in solving the mysterious death of Tom Thomson, a Canadian artist.

Twelve-year-old Jonny Jakes is an undercover reporter for a banned school newspaper, The Woodford Word, and right now he has the story of a lifetime--the new principal is an alien (he does not even try and hide it), Jonny is sure he is planning something nefarious, and it is up to the Word's star (really the only) reporter to find out what it is.

Detectives' Row is full of talented investigators, but Toby Montrose isn't one of them. He's only an assistant at his uncle's detective agency, and he's not sure he's even very good at that. Toby's friend Ivy is the best sleuth around -- or at least she thinks so. They both see their chance to prove themselves when the famed Hugh Abernathy announces a contest to choose the World's Greatest Detective. But when what was supposed to be a game turns into...

"An enigmatic message leads the Code Busters on a treasure hunt on creepy Alcatraz Island, where they must use their problem-solving skills to unravel the mystery"--

When the Smithfork family moves into a lavish Manhattan apartment building, they discover clues to a decades-old mystery hidden behind the walls of their new home.