Most Popular Books by Carolyn Keene

In San Francisco Nancy Drew helps an architect investigate the suspicious fires at his construction sites and tries to explain the evidence implicating his own daughter.

When Nancy Drew’s new neighbor, Nikki Masters, is questioned about her boyfriend’s murder, Nancy—convinced of her friend’s innocence—investigates the crime.

Teenage heir Hal Colson has been kidnapped, and Nancy knows it will take $475,000 to get him back. Lance Colson, Hal’s handsome uncle and guardian, is convinced that the punk rockers Hal hangs out with are responsible. Nancy gets nervous when she and George are caught casing one of the punk rockers and taken to their hideout—especially when one pulls a gun. But are the punk rockers to blame?

Nancy finds danger at the dude ranch when she travels to Montana to help an old friend save her spread.

Nancy Drew and her friends investigate a murder case, that involves some members of the university basketball team.

Mrs. Strook requests Nancy''s help finding an old stagecoach she believes her uncle hid in her hometown of Francisville. Mrs. Strook believes the stagecoach houses a clue that will be valuable for the town! Can Nancy help her find the missing stagecoach?

Nancy seeks the final piece of an ominous puzzle--carved in ancient green stone.

Nancy’s holiday at a California college turns into an investigation of a mysterious drowning, and she discovers that some sorority girls are far from innocent.

Nancy flies to Montreal on an "easy" case and finds herself in a vicious duel of wits with a master criminal.

A thief strikes, and Nancy is on the trail! In #29, The Stolen Bones, Nancy, Bess, and George are volunteering on a paleontology dig. When a priceless fossil goes missing Nancy must figure out which of the volunteers is really a gold digger.

Nancy’s Earth Day project turns into chimpanzee chaos in the nineteenth book in the interactive Nancy Drew Clue Book mystery series. Nancy, Bess, and George need to create an Earth Day project for school, and they’ve landed on the perfect idea: Chimpiñatas! These globe-shaped piñatas are enrichment toys made for the chimpanzees at the Hairy Hideaway animal sanctuary to enjoy. The girls have filled them with the chimps’ favorite healthy snacks, like seeds and fruit, but when the chimps crack open the piñatas, they find that one of them is filled with candy! Who could have switched out the Chimpiñata, and why would they want to make the chimps go bananas? If anyone can find the schemer behind this sugar rush, it’s the Clue Crew!

A special treat for Nancy Drew fans, and any reader who''s new to the series! We''re releasing a stunning new edition of an old favorite: The Bungalow Mystery, the third book in the incredibly popular, long-running series. It''s the same exciting mystery that readers have fallen in love with for more than 80 years—Nancy Drew has to help Laura Pendelton retrieve her family jewels, but they have to act quickly! Now with a brand-new look, this is an edition that collectors won''t want to miss!

When her father’s coworker is murdered, Nancy sets out to find the killer. The victim has left a long list of enemies to work from, but the people in River Heights have their own ideas about who is responsible—Nancy’s father! Desperate to find the truth, Nancy sets out to find the culprit before her father takes the blame.

Nancy Drew and her friends get tickets to the opening of a luxury spa, but when someone tampers with the food and commits other acts of sabotage, they begin to look for clues.

Nancy Drew is invited to South America to solve a mystery for a friend, but before she can do that, she must find the clue which has been stolen.

The three amateur detectives investigate a series of mysterious gifts, a stolen treasure chest, and other mysteries