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

The figure of Frankenstein's monster at Madame Gaspacho's Wax Museum comes to life to steal a valuable necklace while Scooby-Doo and his friends are taking a private tour of the museum.

When 7 is accused of eating 9, worried 6 hires a detective to investigate.

Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and none coming back out.

When Poison Ivy tries to turn Gotham City into a jungle, Batman comes to the rescue.

Eva Wingdale and her class are excited about their trip to Poppy's Pumpkin Farm, where every year, there is one very large, extra special, thank-you pumpkin; but on the second day of the visit the owls find that the Thank-you Pumpkin has gone missing, and the farm animals are in an uproar -- so Eva and the other owls turn detective to solve the mystery of the missing pumpkin.

A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are ingredients for the Aldens' latest mystery.

Second-grade detectives Jigsaw, Mila, and their friends follow clues found in a Little Free Library suggesting that aliens are coming to Earth.

"Four best friends--Kate, Mia, Lainey, and Gabby--travel to Never Land, where they find adventure, friendship, and mystery! When the girls realize that animal talent fairy Fawn is missing, the search is on"-

"As Thanksgiving approaches, Nate and Lucy must help Bradley and Brian find out what their shady new neighbors are up to"--Provided by publisher.