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.
#1
#1 of 4 in Professor Challenger
1900 • 111 Readers • 348 pages • 3.7
#2
#2 of 4 in Professor Challenger
1913 • 10 Readers • 120 pages • 3.6
#4
1928 • 2 Readers
#5
1929 • 5 Readers • 48 pages • 4