Idaville's secret weapon against lawbreakers, ten-year-old Leroy "Encyclopedia" Brown, helps the police force solve ten new cases, the solutions to which are found in the back of the book.

After solving the greatest unsolved mystery of the century, Stevie Bell goes undercover as a camp counselor to investigate the strange things going on at Camp Wonder Falls--the site of the infamous "Box in the Woods" murders

Five murder suspects are invited to the haunted Barclay Hotel for a weekend getaway, and it is up to twelve-year-old JJ and eleven-year-old Penny--and a lonely ghost--to figure out who committed the crime.

Sixteen-year-old Maddie Flynn cannot help but see the death date of everyone she meets or sees in a photograph or on-screen, and her alcoholic mother exploits this by having her do readings for money, but when Maddie predicts the death of a young boy, she becomes the center of an FBI investigation.

When Stevie Bell is finally able to return to Ellingham Academy after identifying the culprit in the murder of a classmate, she begins to wonder if the case was really resolved and attempts to uncover the truth about the school's founder. Stevie Bell seemed to be on the cusp of the decades-old kidnapping and murder of Albert Ellingham's family. But a classmate's murder-- which Stevie solved-- convinced her parents to pull her out of Ellingham Academy....

Ever wonder why pigeons always act so weird? It's because they're out there chasing the bad guys and saving your butts! Did you know your city is protected by a secret squad of crime-fighting pigeons? It's true! With master of disguise Rock Pigeon, bendy Tumbler, strong Frillback and super-finder Homey, the Real Pigeons will solve any mystery and fight any bad guy to keep the city safe!

"To clear her name and help the police crack the case, Minerva starts her own detective club. So what if it has only two other members, one being Minerva’s accident-prone daredevil brother and the other being the biggest and quietest kid in school, who happens to be afraid of his own shadow? Minerva knows that with her brainpower, the club’s sleuthing skills, and case files full of suspects, they can unmask the poisoner…hopefully before it’s...

"There's dreadful news from the symphony hall, the composer is dead! If you have ever heard an orchestra play, then you know that musicians are most certainly guilty of something. Where exactly were the violins on the night in question? Did anyone see the harp? Is the trumpet protesting a bit too boisterously? In this perplexing murder mystery, everyone seems to have a motive, everyone has an alibi, and nearly everyone is a musical instrument. But...

Buddhist monk Wayan Bagus lost his island of solitude and wants to get it back. The island was about two hundred miles northeast of Samoa. It had a mountain, beaches, a rain forest, and a volcano. And now it's gone. Poof! Vanished without a trace. Brilliant and boyishly charming Emerson Knight likes nothing better than solving an unsolvable, improbable mystery. And finding a missing island is better than Christmas morning in the Knight household....