Carolyn Keene: 475 books

Nancy, Bess, and George are off on a continental adventure into the gorgeous heart of Europe: Switzerland. And gorgeous is just the word for jet-setter Franz Haussman, who invites the girls out for a night of dancing at a chic club on the shores of Lake Geneva. But before the music ends, the mystery begins…and Franz’s life hangs in the balance!

On the trail of a teddy bear thief, Nancy unwraps double-dealing and double crosses! Bess is working during the Christmas rush at Beary Wonderful, a toy and teddy bear shop, when the holiday season takes a sudden scary turn. The owner’s prized collection of antique teddy bears—cute, cuddly, and...

Nancy has just two days to help her friend and save the ballet! Nancy and her friends are practicing for the big ballet recital. They're so excited, and nervous too. Especially Bess, who can't seem to learn the steps. But then the special music goes missing and the recital might be canceled. Everyone blames Bess and Nancy must take the case!

How can a contest this sweet turn so sticky? Nancy and her friends think there is nothing more fun than ice cream in the summer. So when they find out that the owners of the local ice-cream factory are hosting a contest, the Clue Crew can't wait to enter! Contestants must come up with brand-new...

Can Nancy solve this chilling mystery? Who wears a blue scarf and old rubber boots, and has broccoli for a nose? It's Sherlock -- Nancy, Bess, and George's snowman! The girls are thrilled to be on winter vacation and take part in all of the season's activities! Nancy's friend Deirdre has even...

Seeing Green is the stunning conclusion to this smart, three-book case and brings Nancy and company back to River Heights, where they continue to investigate Green Solutions, the shady American company that is defrauding Casa Verde.

The famous clock from the first Nancy Drew mystery returns in this thrilling adventure.

When artist and gallery owner Lila Cramer is conned into selling all her paintings for the price of one, Nancy Drew agrees to investigate—and discovers that there are many people who would like to see disagreeable Lila lose her business.

An invitation to a rustic retreat in upstate New York seems like a dream come true until a series of threatening messages, a poisoned picnic, and tales of a haunted mansion send many of the island patrons away, but Nancy is determined to stay and uncover the truth.

Someone is trying to drive famed author Amelia Beaufort crazy—and Nancy and Bess have traveled to her moss-covered estate to help her out. As the two teens search the mansion for clues, they find themselves trapped in a real-life gothic tale.

The International Friendship Club is sponsoring a fun weekend—but Nancy finds a melting pot of sabotage! For Nancy and her friends, Worldbeat Weekend at Emerson College is supposed to be a good time. Nancy gets to spend time with her boyfriend, Ned, and everyone plans to enjoy music and food...

When Nancy investigates the theft of a Tibetan antiquity from a local museum, she discovers that there’s more to the mystery than a simple case of burglary. The golden horse is a very special kind of prize, and it attracts a very special kind of horse thief—a crook as daring as he is elusive,...

Solving crimes with science is fascinating—until a pretend mystery becomes all too real! Nancy gets Bess, George, and Ned to help out with a special program for high school students, a “chemystery” camp. They’ll visit a forensics lab, a drug company, and a university to see how science...

NANCY MEETS A FAMOUS ACTRESS -- AND LOSES A FAMOUS TURTLE! Nine-year-old actress Lucy Webb is starring in Totally Tina, a movie that's being filmed right in River Heights -- and Nancy and her friends are chosen as extras for the movie! Not only do the girls get to meet their favorite actress, but...