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.

A bookstore fire seems suspiciously like the plot of a bestselling author's mystery stories.

Nancy and friends set up a lemonade stand but their top-secret recipe has been stolen. It's up to the Clue Crew to find out who the thief is.

When a chocolate turkey--the intended prize for the winners of a Thanksgiving Day race--disappears, Nancy and her friends identify and eliminate suspects in their search for the missing confection.

Nancy tries to prove that the class pet Bun is not the one wrecking the class's Spring Fair projects.

When Nancy, Bess and George go searching for the perfect gift for the Drews' housekeeper, Hannah, they choose a vintage apron, which may have belonged to a famous local cook, and discover a recipe in the pocket--but when it disappears they have to followthe clues to find out who stole it, and why.

While attending a fancy party hosted by Duchess Strickland, a wealthy philanthropist who owns a priceless art collection, teenaged Nancy Drew finds a new mystery to investigate when the goddess statue disappears.