When a puppy who is being trained as a police dog goes missing, third-grader Judy forms a detective agency to solve the mystery, imitating her literary heroine, Nancy Drew.

Nancy, Bess, and George are on a cruise ship tour of Alaska, and the cruise director needs Nancy's help when strange things keep happening.

When competition for lucrative prizes ranging from money to placement on the Olympic Team escalates to the point where one desperate participant drugs horses at the River Heights Horse Show, Nancy, Bess, and George track clues to identify the culprit.

Nancy Drew, and eight-year-old sleuth, solves mysteries with help from her friends.

"Join detective Judy Drewdy to create a way-official detective kit, solve six mini-mysteries, and sharpen real-and-actual sleuth skills. Chock-full of advice for the would-be sleuth and bursting with activities, here is an uber RARE diversion for fans of Judy and for anyone who loves a good mystery. "The Great Class Heist" is just one of the whodunits tackled by Judy Drewdy and agents Dills Pickle (aka Frank), Spuds Houdini (Rocky), and James Madagascar...

Nancy poses as a beauty pagaent contestant to help uncover the truth about her friend, Portia Leoni, whose crown was taken away from her after she was accused of shoplifting.

Nancy Drew and her classmates have the chance to submit their own fashion designs to a big-time competition, and the chance to model their designs in a fashion show. On a team with her best firends, George and Bess, Nancy comes up with some original clothing ideas and her team wins. But someone keeps trying to ruin the contest by stealing designs, hiding sample pieces, and tripping up the models. Can the clue crew find the culprit before the River...

When a gang that uses parties as a cover for robberies victimizes a masquerade party Nancy is attending, the teen-age detective switches identity with her girl friend to solve the case.

Nancy and her friends establish headquarters in a seaside yacht club to investigate strange happenings in a book store and the disappearance of a marble statue.