4 books in series

Professor Challenger

Professor Challenger is a 4-book series with 4 primary works first released in 1900 with contributions by Arthur Conan Doyle.

The lost world
#1PopularFirst

1900 • 98 Readers • 348 pages • 3.6

The Poison Belt
#2

1913 • 10 Readers • 120 pages • 3.6

When the World Screamed
#4

1928 • 2 Readers

Cover 4

The Disintegration Machine

#5

1929 • 5 Readers • 48 pages • 4