The Hardy boys in The mystery of the Aztec warrior, The mystery of the disappearing floor, The wailing siren mystery /
Dixon, Franklin W.
Dixon, Franklin W.Mystery of the Aztec warrior.
Dixon, Franklin W.Mystery of the disappearing floor.
Dixon, Franklin W.Wailing siren mystery.
London Armada
1983
The mystery of the Aztec warrior. Originally published: New York : Grosset and Dunlap, 1964; London : Collins, 1971 - The mystery of the disappearing floor. New York : Grosset and Dunlap, 1964 ; London : Collins, 1971 - The wailing siren mystery. Originally published: New York : Grosset and Dunlap, 1968 ; London : Collins, 1972