The Disintegration Machine is the last story in the Professor Challenger series. It was first published in Strand Magazine in January 1929. The story centers ar

Professor Challenger returns to test one of his theories by digging underground and poking the planet in this classic adventure story. In The Lost World, Profes

This original anthology, from the authors and editors who brought you the Gaslight Sherlock Holmes series, sees Challenger and his stalwart companions including