Carolyn Keene

Nancy, Bess, and George investigate an abandoned house on Heliotrope Lane, which is suspected to be haunted.

When someone steals the proceeds of a charity gala aboard a restored riverboat, it's up to Nancy, Bess, and George to find the thief before the clock runs out.

After her vacation cottage is ransacked, Nancy discovers the popular tourist retreat she is staying at is a hotbed of deception and crime. Her investigation leads her to a labyrinth of caves where--according to rumor--a treasure of gold is hidden. But someone wants the truth behind the legend to stay buried forever, and the deeper Nancy digs, the more perilous her search becomes.

A college fraternity treasure hunt is marred by accidents and dirty tricks - Nancy must find the culprit before the whole event is shut down.

When a prop goes missing from a local movie set, Nancy sets out to find the culprit.

Nancy, George, and Bess can't believe the out-of-this-world contest McCormick's grocery store is having -- the kid who guess the number of jelly beans in the jar wins a trip to a space camp! Nancy is superexcited because she has been studying the stars and planets with her brand-new telescope, and space camp would be just the thing to test her new skills. But then the jelly-bean jar goes missing, and it looks like no one will get the chance to blast...

Famous astronomer Dr. Arnot gives Nancy, Bess, and George a star-studded planetarium show and promises to elt them gaze at the night sky with his famous telescope, the Starship 5000, but the telescope goes missing. It's up to the Clue Crew to investigate the suspects and track down the telescope snatcher.

During classmate Dierdre's "sweet half-sixteen" birthday party, Nancy Drew and her Clue Crew friends investigate who threw a snake into the pool--and why.

An unusual hex sign leads Nancy Drew to Pennsylvania Dutch country in pursuit of a thief who stops at nothing to get rid of her.