Richard Hannay is a 5-book series with 5 primary works first released in 1915 with contributions by John Buchan.
1915 • 42 Readers • 100 pages • 3.3
1916 • 18 Readers • 269 pages • 3.3
1919 • 10 Readers • 352 pages • 3.5
2015 • 4 Readers • 294 pages
1929 • 1 Reader • 424 pages • 4