"Nancy is cycling for clues instead of soaking up the scenery when someone decides to mess with George's birthday bike tour around Mystic Lake"--

Nancy goes undercover at a girls' prep school to find a movie star's missing daughter.

While staying at the exclusive Spa Solaire outside Tucson, Arizona, Nancy and her friends witness a series of strange events, beginning with sabotage and ending with a kidnapping.

A SEARCH FOR A MISSING HORSE LEADS NANCY TO A DARK DISCOVERY! Nancy's attending the Midwest Grand Prix Dressage Championships, where many of the world's best riders and finest horses compete. But more than blue ribbons is at stake. As Nancy quickly learns, these horses generate big money, turning a friendly competition into a very nasty business. Discovering a fire in the stables, Nancy barely averts a terrible tragedy. But now she faces a new danger:...

While visiting Ned Nickerson at college, Nancy must ask him some sensitive questions after a scandal breaks out that could lead to his expulsion. And she uncovers a secret obsession that puts more than broken hearts at stake.

Malibu Mayhem follows Nancy Drew back to River Heights in this conclusion to the latest mystery arc! After an unforgettable vacation on the exclusive beaches of California, Nancy, Bess, and George are glad to be back in down-to-earth River Heights. But just as they're settling into a boring summer routine, Malibu excitement follows them home: the superstar Casabian Sisters show up, convinced River Heights is the perfect setting for their newest reality...

WHEN NIGHT FALLS AND THE HORRORS RISE -- WILL NANCY STAND A GHOST OF A CHANCE? What strange dark secrets can a college professor reveal -- after she has risen from the grave? Do dogs howl at the moon . . .do their eyes glow in the night -- one hundred years after their death? What evil power lurks in the fortune-teller's den -- embodied in the sinister form of a terrifying froglike creature? Prepare to lock your doors and dim your lights....

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?

The Internet...a world without rules, without boundaries. And it's all just a click away... Ryan Corrigan is not what most people would call a "cool" guy. He's usually called something more like geek or cyber-nerd. Maybe it's because he and his mom move almost every year, so he never gets a chance to make friends. Or maybe it's because he spends most of his time glued to his computer. It's his friend. But now Ryan's "friend" has gotten him into...

Nancy Drew visits Belize and uncovers crime on the high seas in this addition to the Nancy Drew Files.