While learning detective skills at a sleep-away camp, Dink and his friends undercover a real mystery involving stolen paintings.

The stories illustrate how Frank and Joe Hardy use the various facets of police technology while tracking down criminals. Techniques include fingerprinting, surveillance, and other related skills in the science of criminal investigation.

There's a mystery mischief-maker on the loose in Hills Village! Can Junior solve the mystery before disaster strikes?

"Aidan disappeared for six days. Six agonizing days of searches and police and questions and constant vigils. Then, just as suddenly as he vanished, Aidan reappears. Where has he been? The story he tells is simply...impossible. But it's the story Aidan is sticking to. His brother, Lucas, wants to believe him. But Lucas is aware of what other people, including their parents, are saying: that Aidan is making it all up to disguise the fact that he ran...

In Washington, D.C., twelve-year-old Florian Bates, a consulting detective for the FBI, and his best friend Margaret help thwart the biggest art heist in United States history.

Washed ashore as a baby in tiny Tupelo Landing, North Carolina, Mo LoBeau, now eleven, and her best friend Dale turn detective when the amnesiac Colonel, owner of a café and co-parent of Mo with his cook, Miss Lana, seems implicated in a murder.

Alex Cross' son, Ali, is eager to follow in his father's footsteps as a detective, but when his best friend goes missing, what price will he have to pay to solve the mystery? Ali Cross is determined to follow in the footsteps of his father, former detective and FBI agent Alex Cross. When Ali's best friend Gabe goes missing, Ali knows that with every passing day, the less likely Gabe will be found. This is Ali's very first case. If he inherited any...

When the neighbor's prize cow disappears, threatening her morning cream supply, Queenie the cat reluctantly turns for help to the slobbering Arthur, who is also anxious to help his humans find out what is behind recent strange activities in town.

"Cordelia Clay loves the work she and her father do together: saving and healing the remarkable creatures around Boston at the end of the nineteenth century. Their home on Cedar Street is full to the brim with dragons, squelches, and diggles, and Cordelia loves every one of them. But their work must be kept secret-others aren't welcoming to outsiders and immigrants, so what would the people of Boston do to the creatures they call “monsters”?...

After the Alden siblings visit their Great-Aunt Jane's ranch in a mining town, there is a mysterious fire which damages three houses, but Benny's friend Mike notices a strange man in a blue hat in the paper and Mike and Benny suspect he may be the culprit.