"After officially naming themselves the Petite Private Eyes, Peggy, Rita, and Dot are ready to take on a new assignment from the Lady Spies. The Fashion Twins, two local designers, have been robbed! When the girls go undercover to investigate, they find themselves joining a curious scout troop run by a mysterious scout leader. With the help of the Lady Spies and a feisty pet cheetah, will the girls crack the case and make some new friends?"--

An unsupervised goose, missing family heirlooms, and some suspicious characters turn the annual cucumber festival into a robbery investigation for three sixth-grade friends.

Frank and Joe travel to New Jersey where they investigate a series of robberies at jewelry stores. In Boardwalk Bust, Frank and Joe head to Ocean Grove, New Jersey, to investigate a rash of jewelry store robberies. The temperature's sizzling; will the boys be able to smoke out 'sticky fingers' before they're burned? Mission: Investigate and put a halt to the recent rash of jewelry store robberies. Potential danger on the ground and in the air. Location:...

Sam, Philippa, Thomas, and Max have just started to recover from their capture and subsequent escape from Rattigan. The children's lives don't stay quiet for long. A slew of bank robberies is terrorizing the city. And when Professor Farnum, the ringmaster of the museum's now immensely popular flea circus, is charged with murder, the search for the real killer uncovers a plot much bigger than any individual crime -- a plot that can only be the work...

The Hardy boys' investigation of a museum robbery in England arouses the anger of a coven of black witches.

When the owner of the Daily Rat newspaper thinks Thea Stilton, who has vanished without a trace, is responsible for a recent string of robberies in New Mouse City, Geronimo must employ his "famouse" investigative skills to find Thea - and the truth.