Professor Challenger Series by Sir Arthur Conan Doyle

George Edward Challenger, better known as Professor Challenger, is a fictional character in a series of fantasy and science fiction stories by Sir Arthur Conan Doyle. Unlike Conan Doyle's laid-back, analytical character, Sherlock Holmes, Professor Challenger is an aggressive, dominating figure.

Novels

1)The Lost World(describes an expedition to a plateau in South America where prehistoric creatures including dinosaurs still survive.)
2)The Poison Belt(In which the Earth passes through a cloud of poisonous ether.)
3)The Land of Mist(A story of the supernatural, reflecting the strong belief in Spiritualism Conan Doyle developed later in life.)

Stories

1)When the World Screamed
2)The Disintegration Machine