When the fluffy dice of Melvin the bus driver turn up missing, Bunny and Jack, two animal detectives, investigate the case.

Dink, Josh, and Ruth Rose investigate the theft of a great deal of money from the belly of a nearly life-size Tyrannosaurus Rex model that their friend, Jud Wheat, is using to raise money for a dinosaur museum.

Accompanied by his sidekick polar bear and criminal mastermind Molly Moskins, Timmy takes his investigation into stolen charity funds on the road when his mother forces him to help her boyfriend move to Chicago.

When a priceless yellow diamond is stolen from the museum, Superman, Batman, and the other Super Friends follow the clues and discover that Gorilla Grodd is using the diamond to create an army of yellow gorillas.

Eight-year-old sleuth Cam Jansen uses her photographic memory to discover what happened to a classmate's missing cookie.

Elementary school detective Moxie McCoy looks for a missing school mascot and a new best friend, with the help of her annoying little brother.

T-R-O-U-B-L-E. EVERYBODY KNOWS WHAT THAT SPELLS!Nancy, Bess, and George are doubly excited. Not only are they taking horseback-riding lessons, but Bess is in the school spelling bee. And maybe her mom's lucky horseshoe earrings will help her win!But now the earrings have disappeared. Good thing Nancy's around to help Bess solve the mystery -- because a good friend is the best good-luck charm of all!

In this story, Nancy, Bess, and George are attending a three-day overnight camp at the local zoo. One of the camp activities is helping the zookeeper make toys for the animals. When the toys that the girls make by day disappear at night, the Clue Crew springs into action to uncover the identify of the thieving culprit.

Rosamond is visiting Scandinavia when she loses something. She wants Nate the Great to find it, even though he doesn't know what she lost, what country she lost it in, or when she lost it. And he's thousands of miles away. But if Nate doesn't take the case, Rosamond plans to hire the King of Sweden. Nate doesn't want Rosamond to bother the poor king. And he does want the chance to solve his first-ever international case. Can Nate find whatever Rosamond...

"The Lilac. The bard songs say that she's the world's most fearsome bounty hunter. That there's no criminal she can't catch, no mystery she can't solve. None of that is true. Yet. In reality, the Lilac is just a kid, and the bard who wrote all that is her best friend, Dulcinetta. But the Lilac has set her goals on becoming the best bounty hunter in the Thirteen Kingdoms--and when a priceless artifact goes missing from the home of famed monster hunter...