All book series

Dragon Knight

Gordon R. Dickson · 4 books · 1976–1992

Ealdwood Stories

C. J. Cherryh · 4 books · 1981–1983

Enchanted Forest Chronicles

Patricia Wrede · 4 books · 1985–1993

Evernight

Claudia Gray · 4 books · 2008–2011

Parade's End

Ford Madox Ford · 4 books · 1924–1928

Imaro

Charles R. Saunders · 4 books · 1981–2009

Wayfarers series

Becky Chambers · 4 books · 2014–2021

Bartimaeus Sequence

Jonathan Stroud · 4 books · 2003–2010

Nevermoor

Jessica Townsend · 4 books · 2017–2025

VALIS trilogy

Philip K. Dick · 4 books · 1981–1982

Mode

Piers Anthony · 4 books

Nate the Great

Marjorie W. Sharmat · 4 books · 1974–1995

Noughts & Crosses

Malorie Blackman · 4 books · 2001–2008

Return to Nevèrÿon

Samuel R. Delany · 4 books · 1979–1987

Star Trek Autobiographies

David A. Goodman · 4 books

StoneToss

StoneToss · 4 books · 2018–2020

Perry Rhodan

Walter Ernsting · 4 books · 1961

Skylark

Edward Elmer Smith · 4 books · 1928–1966

The Gonzo Papers tetralogy

Hunter S. Thompson · 4 books · 1979–1994

The Wicked Years

Gregory Maguire · 4 books · 1995–2011

The Women of Genesis pentalogy

Orson Scott Card · 4 books · 2000–2004

Chronoptika

Catherine Fisher · 4 books · 2012–2016

Gone

Michael Grant · 4 books · 2008

Uglies series

Scott Westerfeld · 4 books · 2005–2007

The Fall Revolution

Ken MacLeod · 4 books · 1995–1999

Mars trilogy

Kim Stanley Robinson · 4 books · 1992–1999

The Quantum Series

Douglas Phillips · 4 books

Inhibitor Cycle

Alastair Reynolds · 4 books · 2000–2021

Imriel Trilogy

Jacqueline Carey · 3 books · 2006–2008

Chronicles of the Shadow War

George Lucas · 3 books · 1995–2000

Caspak trilogy

Edgar Rice Burroughs · 3 books · 1918–1963

The Masquerade

Seth Dickinson · 3 books · 2015–2020

The Dark Elf Trilogy

R. A. Salvatore · 3 books · 1990–1991

Between Earth and Sky

Rebecca Roanhorse · 3 books · 2020–2024

Great Cities

N. K. Jemisin · 3 books · 2016–2022

The Siege

Tom Holt · 3 books · 2019–2022

The Scholomance

Naomi Novik · 3 books · 2020–2022

Matt Cruse

Kenneth Oppel · 3 books · 2004–2008

Matched trilogy

Ally Condie · 3 books · 2010–2012

The Dreamer Trilogy

Maggie Stiefvater · 3 books · 2019–2022

Chronicles of the Emerged World trilogy

Licia Troisi · 3 books · 2004–2005

The Poppy War

R.F. Kuang · 3 books · 2018–2020

Chronicles of Pocket the Fool

Christopher Moore · 3 books · 2009–2020

Vampires in San Francisco

Christopher Moore · 3 books · 1995–2010

Arc of a Scythe

Neal Shusterman · 3 books · 2016–2019

Beyonders

Brandon Mull · 3 books · 2011–2013

D'Artagnan Romances

Alexandre Dumas · 3 books · 1844–1847

Callista trilogy

Barbara Hambly · 3 books · 1995–1998

Pierre Niémans series

Jean-Christophe Grangé · 3 books · 1997–2020

Uplift Storm trilogy

David Brin · 3 books · 1995–1998

The Engineer Trilogy

Tom Holt · 3 books · 2005–2007

The Empyrean Odyssey

Thomas M. Reid · 3 books · 2007–2009

Darkside Park

Ivar Leon Menger · 3 books

Nsibidi Scripts

Nnedi Okorafor · 3 books · 2011–2022

Companions Codex

R. A. Salvatore · 3 books

Age of the Five Trilogy

Trudi Canavan · 3 books · 2005–2006

Dragonlance: Dwarven Nations Trilogy

Dan Parkinson · 3 books · 1993

The Once and Future King

T. H. White · 3 books · 1938–1940

Log Horizon

Mamare Touno · 3 books

The Daevabad Trilogy

Shannon Ali Chakraborty · 3 books · 2017–2020