Bess, George, and Nancy Drew to go to Costa Rica for some R & R: rest and research. They find trouble at the nature resort they visit, and suddenly they have a case to crack.

Nancy and her friends try to find out who is out to sabotage a Civil War reenactment.

After a beautiful clock is stolen from the Mahoney Library, Nancy must take a break from planning the libraries' seventy-fifth anniversary, and solve the mystery.

Dad, Bess, and I are all set for London when Ned's Shakespeare professor asks us to do a simple favor: to take a look at his townhouse while we're there, since he can't seem to locate the housekeeper and fears something's wrong. Sounds easy enough, so I take the key.Eager to cross the favor off our list, we stop by 53 Banbury Square shortly after we land. And let's just say things in the townhouse aren't quite tip-top. And the key? Well, it unlocks...

Nancy's good friend, Charlie, appears to be guilty of snake-napping from the River Heights Zoo. Meanwhile, George's brother, Scott, is being very sneaky and not acting like himself. Can these things be related? Nancy is about to find out.

Nancy works undercover as a stand-in on a movie set in River Heights so that she can look into the problems that are plaguing the production.

Charlie Adam's sister Alicia opens a boutique in River Heights. Way more people than expected show up, and the store window is smashed, and people are injured!

While accompanying a group of paleontologists on a desert dig, Nancy Drew investigates the disappearance of a fossil.

Nancy goes undercover -- as a pageant contestant! Ned's classmate Portia Leoni won last year's Miss Pretty Face River Heights Beauty Pageant. But after Portia was accused of shoplifting dresses from a local boutique, her crown was taken away from her. Portia claims that she's innocent, but why would someone want to frame her?

Nancy's friend Sydney, a model, is getting married to a reality-show star, but someone is trying to ruin the wedding and Nancy must uncover the culprit.

Nancy and her friends are delighted when they win a vacation at an eco-resort in Costa Rica, but they find their fun and relaxation challenged by a determined saboteur.