A girl and her cousin who are on a cruise to Europe try to prevent the theft of a valuable painting being transported on their ship.
A girl who has gone to live with her father in Turkey becomes friends with a troubled orphan girl and investigates strange things happening in the house where they are staying. By Phyllis Whitney.
An orphan girl takes a trip to Scotland with her relatives and carries out a series of tasks set for her by her grandmother. By Phyllis Whitney.
A girl and her family go to visit a relative in South Africa and solve the mystery of a theft that occurred years ago. By Phyllis Whitney.
A boy witnesses the murder of a neighbor and has to convince his family of what he saw before the killer can get him.
The basis for the movie of the same name but different in plot. A magical car takes an inventor and his family on a trip to France where they find themselves battling a gang of smugglers. By Ian Fleming.
Harvey and his sister Mildred are bored and lonely over the summer because their friends are away. The two of them spend a lot of time arguing and fighting, but that changes when Harvey makes a surprising discovery about the place where he has dug his secret hideout. By Russell Hoban.
Children in a small village in France revive an old Christmas tradition that brings life back to their town.
The everyday adventures of a group of neighborhood children. By Carolyn Haywood. 1939-1986.
About three siblings who solve mysteries together. Many of them are treasure hunts. By Peggy Parish. 1966-1986.
Meg and her best friend Kerry solve mysteries in their small Virginia town and other places along the east coast. By Holly Beth Walker. 1967-1972.
A classic mystery series featuring a girl and her group of friends who solve mysteries and support good causes. Created by Julie Campbell and continued by other authors. 1948-1986.