Griffin Bing is in big trouble when a Super Bowl ring disappears from his middle school's display case, replaced by Griffin's retainer, and the more he and his friends investigate, the worse his situation becomes.

Barbie and her friends become secret agents who help find a gem thief.

While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest is over.

There is a legend that if the ravens at the Tower of London ever leave then Britain will fall, so when somebody steals the birds, the Queen calls for Mac B. to find the thief and retrieve them--a mission that takes him to Iceland, where he encounters secret submarines, hungry polar bears, and his archnemesis from the KGB.

Twelve-year-old Fin, a master thief from the pirate world of Khaznot Quay, and Marrill, also twelve, of Arizona, cross paths in the magical world of the Pirate Stream while on a quest for a mysterious map.

Katie's peanut butter and jelly sandwich is missing, so she must figure out which of her classmates ate it--and what she should do about lunch.

Abracadabra, owner of the Abracadabra Hotel, has disappeared, and Charlie Hitchcock and Tyler Yu team up again to solve the mystery of the hidden thirteenth floor and try to foil a theft that could cost the hotel millions.

"Meet Ruby and Bear. Their dad has just invented the most amazing thing ever--flying shoes! But his horrible boss Wendy Wedge knows that entering flying shoes will guarantee the Golden Shoe Award, and she will do anything to win the trophy. She's officially on the hunt for their flying shoes. Ruby and Bear must outwit a bully, infiltrate a shady company, and rescue their dad all while keeping the shoes hidden. This can mean only one thing. It's...shoe...

"Twelve-year-old Enly Wu Lewis is determined to go to band camp and follow in the footsteps of his musician father, who died years ago. But his mom, a single parent working two jobs, is saving every penny for his older brother’s college tuition. So Enly sets out to earn the money for camp on his own, by busking with an obscure instrument he can only kind of play. When someone drops a winning scratch-off lottery ticket into his tip box, Enly thinks...

"He doesn’t like to pull rank. To reveal that he’s this guy: Timmy Failure, founder, president, and CEO of the greatest detective agency in town, perhaps the nation. But he is. And he’s about to crack the biggest case of his generation: a school competition to find a stolen globe. It’s his ticket to bringing home a $500 prize, which is guaranteed to set him up for life. But someone is clearly trying to game the system. Hoodwink. Con. Defraud....