Alastair-Audley Tetralogy is a 4-book series with 4 primary works first released in 1926 with contributions by Georgette Heyer.
1926 • 1 Reader • 476 pages
1926 • 1 Reader • 4
1932 • 23 Readers • 285 pages • 4.2
1935 • 23 Readers • 352 pages • 3.8
1937 • 3 Readers • 411 pages • 3.5