All book series
2,590 series, best-documented first. Page 23 of 44.
Moomin comic strips
Tove Jansson · 42 books
Second Geological Survey of Pennsylvania.
40 books · 1875–1891
al-Turāth al-ʻArabī
39 books · 1970–2004
The Yale Shakespeare
39 books · 1917–1927
Jack Dann and Gardner Dozois Ace anthology series
37 books · 1980–2007
Afrika-Studiecentrum Series
35 books · 2003–2015
Supermystery
34 books · 1988–1998
Mickey Mouse
Floyd Gottfredson · 33 books · 1930
Star Trek: Deep Space Nine
32 books
Regnum Vegetabile
32 books · 1954–2025
The Walking Dead
32 books
Descender
32 books · 2015–2018
Code Lyoko
32 books · 2003
The Greek Tragedy in New Translations
30 books · 1973–2009
Vlastivěda moravská
30 books · 1897–1939
Gwiazdy polskiej muzyki lat 80.
30 books · 2007–2008
BSBI Handbooks
29 books · 1968–2022
Harvard Classics
28 books · 1909
Communications in Computer and Information Science
27 books · 2009–2026
Oxford handbooks
27 books · 2009–2022
BoBoiBoy Galaxy
26 books · 2016–2019
Tom Swift
25 books · 1910–1922
A Complete Course In Dressmaking
Isabel De Nyse Conover · 24 books · 1921–1922
Diary of a Wimpy Kid
24 books · 2007–2022
East Anglian Archaeology
24 books · 1976–2004
The Best American Poetry
23 books · 1988–2009
Star Trek Unlimited
22 books
Majmūʻat al-Duktūr Asad Rustum
22 books · 1956–1995
Kayko and Kokosh
22 books · 2022–2024
Harry Hole
22 books · 2011–2023
1632 series
22 books · 2000–2014
Ringier Annual Reports
22 books · 1998–2019
Nijūichidaishū
21 books
Beastars
Paru Itagaki · 21 books
Isaac Asimov Presents The Great SF Stories
21 books · 1979–1992
Ballantine Adult Fantasy series
21 books · 1922–1974
Geschiedenis van de Delftse plateelbakkerijen
Wik Hoekstra-Klein · 21 books · 1999–2013
Orbit
21 books · 1966–1980
Åsa-Nisse
21 books · 1949–2011
ASCL themakaart
20 books · 2008–2020
Roscoe's library edition
20 books · 1845–1855
Star Trek Comic Strip
20 books
Badminton: Satzung - Ordnungen - Spielregeln
20 books · 2006–2025
Quaderni della Fondazione Luciano Bianciardi
20 books · 1995–2026
Ancient Classics for English Readers
20 books · 1870–1898
Universe
20 books · 1971–1994
UNESCO Series on Women in African History
various authors · 20 books · 2014–2015
BoBoiBoy Galaxy Season 2
19 books · 2020–2022
Locomotives of the L.N.E.R.
19 books · 1963–1994
Very Short Introductions
19 books · 2002–2018
Star Trek: Starfleet Academy
19 books
World of Art
19 books · 1959–1999
The Annual World's Best SF
19 books · 1972–1990
MiljøBiblioteket
18 books · 2003–2010
British Regional Geology
18 books · 1948–1971
Star Trek: Boldly Go
18 books
Star Trek
18 books
Technical Dictionaries
18 books · 1973–1988
Horrid Henry
18 books · 1994–2010
The Collected Works of C. G. Jung
Carl Jung · 18 books · 1944–2001