Jack Russell calls for backup when he tries to track down a sausage thief.

The babies meet a mean kid at the theme park.

When two boys throw biscuits into Foxie's terrior-tory, Jack knows something strange is going on. Why would boys throw away biscuits?

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship! The Thea Sisters are boarding the famous Orient Express for a journey from Paris to Istanbul!.

Fifth-grader PJ "Clueless" McGee writes a series of letters to his father, a private investigator, telling of his attempt to learn who stole the science fair trophy, thus clearing his own name.

Thirteen-year-olds Madeleine, Theo, and Lulu, fourteen-year-old Garrison, and ten-year-old new "contestant" Hyacinth, must face their phobias and join forces to learn who is stealing wigs and pageant trophies from the School of Fear.

In a world of drones and androids Zen Starling is a human thief, but mostly he just likes to ride the Interstellar Express, the sentient trains that travel through the K gates from planet to planet, something only the Guardians understand--but now the mysterious Raven wants him to steal the Pyxis, an object that could either open up a new gate, challenging the Guardians, or put the entire gate system, and the universe itself in danger.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

By day Rémy Brunel is a daring circus acrobat, by night she is an equally talented jewel thief currently assigned to steal a famous diamond in Victorian London--but when the theft goes wrong she finds herself allied with a young policeman as they try to find the elusive gem.

Aspiring Professional Adventurer Mr. Penguin and his colleague, Colin the spider, try to find a treasure rumored to be buried in The Museum of Extraordinary Objects before bandits do.