In 1989 someone is threatening to steal the crown jewels, so the Queen of England summons Mac B. to England to protect them--and when they are stolen from a locked dungeon cell, where Mac and Holcroft, one of the warders, are supposed to be guarding them, it is up to Mac to figure out how they were stolen, and whether the thief is the descendant of an Irish soldier-of-fortune who tried to steal them in 1671, or someone else entirely.

"Callan and four other young criminals are recruited to pull off a difficult heist from the city's most powerful sorcerer"--

Eleven-year-old Simon is ready to make the Tangerine Pines his forever home, but when a robbery occurs in the apartment building, he and his new friend set out to solve the case and keep his family from moving again.

Thirteen-year-old Lemony Snicket begins his apprenticeship with S. Theodora Markson of the secretive V.F.D. in the tiny dot of a town called Stain'd By The Sea, where he helps investigate the theft of a statue.

When a celebrated goldsmith from Hawaii creates a necklace for a famous actress, rumors that the necklace is about to be stolen prompt Geronimo Stilton's investigation to identify the thief.

One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac embarks on his first adventure as a secret agent--with the assurance that the Queen will give him a note excusing him from school.

"Meet Sam: an insolent pug--and incidental hero--who will stop at nothing to protect his family! When scientists Elaine and Gary Peterson adopt Sam to keep their son, Justin, company in the midst of a top-secret research project, they never imagine the precocious pup will cause more harm than good. But from chewing up Elaine's hair dryer (the "brain-melting heat cannon") to his inability to be house-trained (who could resist the 'pooping rug'?), the...

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.

After the new hydrofoil they are guarding is stolen, the Hardy boys face frequent danger in solving a mystery involving criminals who operate by signs of the zodiac.