A young detective's attempts to uncover a group of poachers on Crocodile Island in Florida involve her with kidnapping, reptiles, enemy boats, and a sinister racket.
In a response to a friend’s call for help, Nancy’s father, a lawyer, asks her to travel to mysterious Crocodile Island with her friends Bes and George to study the reptiles and try to uncover a group of suspected poachers. Upon their arrival in Florida, the girls are kidnapped but cleverly escape to pursue their detective work. Dangers mount as they cope with reptiles, enemy boats, and exciting chases after the men who are responsible for a sinister racket that involves many unsuspecting victims. In the end, Nancy makes a bold move to untangle the mass of clues, but she and Ned become imprisoned in the enemy’s submarine and are held for ransom!
A fiery glowing eye in a museum, the abduction of Ned, the code name Cyclops, and a pilotless helicopter draw Nancy and her friends into a dangerous investigation.
In a response to a friend’s call for help, Nancy’s father, a lawyer, asks her to travel to mysterious Crocodile Island with her friends Bes and George to study the reptiles and try to uncover a group of suspected poachers. Upon their arrival in Florida, the girls are kidnapped but cleverly escape to pursue their detective work. Dangers mount as they cope with reptiles, enemy boats, and exciting chases after the men who are responsible for a sinister racket that involves many unsuspecting victims. In the end, Nancy makes a bold move to untangle the mass of clues, but she and Ned become imprisoned in the enemy’s submarine and are held for ransom!
Blue bells will be singing horses! This strange message, attached to the leg of a wounded homing pigeon, involves Nancy Drew in a dangerous mission. Somewhere an elderly woman is being held prisoner in a mansion, and Nancy is determined to find and free her. Meanwhile, the young detective’s close friend, Helen, begs her to solve a second mystery. Helen’s grandparents, the Cornings, are frightened by a sinister wheel of blue fire that appears after dark in the woods outside their home at lonely Sylvan Lake. When Nancy discovers the significance of the eerie signal, she also learns that her two mysteries are connected.
On a student tour through Europe, Nancy discovers that their leader is on a secret mission to transfer ten refugee children from an iron curtain country to freedom! Before the mission is completed, Nancy receives an urgent message from her father concerning a missing entry in a foreign film festival. Undaunted and clever, Nancy pursues an intriguing clue found in a student’s wheelchair and finds herself in great danger.
Her friends Bess and George accompany Nancy to Greece where there are two mysteries they want to solve. One mystery is about the theft of a charitable gift and the other is about the disappearance of an inheritance.