When a puppy who is being trained as a police dog goes missing, third-grader Judy forms a detective agency to solve the mystery, imitating her literary heroine, Nancy Drew.

The eighteen-year-old girl detective must find a man who has been missing for years in order to locate the other half of a treasure map.

Nancy Drew determines if an ivory elephant charm really protects its wearer from harm when she investigates the involvement of a member of the Bengleton Wild-Animal Show in a mysterious scheme.

Nancy Drew and her friends go on a ghost hunting expedition and become involved with a gang of thieves who concentrate their activities on collectors of valuable shells.

Nancy and her friends become involved in a search for lost treasure.

When Nancy Drew receives a valuable moonstone gift from an unknown person, she is amazed and puzzled, but this is only the first of several startling events which lead her into a challenging mystery which includes a kidnapping and a haunted castle.

The blatant acts of a lady swindler posing as Nancy Drew arouse the suspicion of friends and local police against the real Nancy.

Nancy and her friends help a woman search for her missing grandson.

Nancy is given an aerial view of a burglar entering her home during a Honolulu vacation.

"Nancy, George, and Bess are attending a three-day overnight camp at the local zoo. They'll get to spend lots of time with all of the animals and learn about them, too. The best part is, they will be helping the zookeeper make toys for the animals, just like real staffers! But when the toys the girls make by day are disappearing at night, it looks like everyone is a suspect! Can Nancy tame this wild case, or will the zoo animals be without anything...