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The Mystery of the Death Trap M - M. V. Carey
SUMMARY:The Three Investigators, aided by their friend Allie, try to untangle the unusual circumstances surrounding an abandoned mine. -
The Mystery of the Deadly Doubl - William Arden
SUMMARY:The Three Investigators foil a plot to kidnap the son of a political leader in an African colony. -
The Mystery of the Dead Man's R - William Arden
SUMMARY:Three young detectives go on a high-stakes treasure hunt in order to restore a fortune to the rightful heirs. -
The Mystery of the Dancing Devi - William Arden
SUMMARY:The Three Investigators search for a stolen statue only to find that it has mysteriously come to life. -
The Mystery of the Coughing Dra - Nick West
SUMMARY:When five dogs disappear from a seaside town and a dragon is sighted off-shore, the Three Investigators look into the situation. -
The Mystery of the Blue Train - Agatha Christie
When the luxurious Blue Train arrives at Nice, a guard attempts to wake serene Ruth Kettering from her slumbers. But she will never wake again – for a heavy blow has killed her, di... -
The Mystery of the Blazing Clif - M. V. Carey
SUMMARY:The sighting of a UFO leads the Three Investigators to uncover a bizarre confidence game. -
The Mystery of Wandering Cavema - M. V. Carey
Product DescriptionThree young sleuths investigate the disappearance of a caveman's bones from a museum and uncover skulduggery at a science foundation. -
The Mystery of Sinister Scarecr - M. V. Carey
Product DescriptionThe theft of some mutant army ants by a scarecrow leads the Three Investigators to the solution of two daring crimes in the art world. -
The Mystery at Lilac Inn - Carolyn Keene; Mildred A. Wirt
Nancy finds herself in danger when she tries to solve the mystery of the old inn, believed to be jinxed.