Professor Challenger Series Novels

The Disintegration Machine (Professor Challenger 5)
The Disintegration Machine (Professor Challenger 5) by Arthur Conan Doyle
F SI-FI C M FIC ADV
When the World Screamed (Professor Challenger 4)
When the World Screamed (Professor Challenger 4) by Arthur Conan Doyle
F SI-FI C M FIC ADV
The Land of Mist (Professor Challenger 3)
The Land of Mist (Professor Challenger 3) by Arthur Conan Doyle
F SI-FI C M FIC ADV
The Poison Belt (Professor Challenger 2)
The Poison Belt (Professor Challenger 2) by Arthur Conan Doyle
F SI-FI C M FIC ADV
The Lost World (Professor Challenger 1)
The Lost World (Professor Challenger 1) by Arthur Conan Doyle
F SI-FI C M FIC ADV