thematic cycle · informal
The Theban Plays
by Sophocles
An informal modern grouping of three Sophoclean tragedies connected by the Oedipus myth; they were not composed as a single trilogy.
3 books · View reading order →
Series by book count
Longest book series
trilogy · complete
The Themis Files
A science-fiction trilogy about humanity's discovery of enormous alien technology and the global consequences of attempting to understand and control it.
3 books · View reading order →
shared-universe · ongoing
The Thousand Worlds
Martin's loosely connected science-fiction future history, also known as the Thousand Worlds or the Manrealm.
3 books · View reading order →
trilogy · complete
The Thousandth Floor
A completed young adult speculative-fiction trilogy set in a futuristic Manhattan skyscraper.
3 books · View reading order →
novel-series · complete
The Three Births of Daoloth
A trilogy of Brichester Mythos novels tracing the influence of the entity Daoloth across three historical periods.
3 books · View reading order →
trilogy · completed
The Tide Child Trilogy
by RJ Barker
A completed nautical epic fantasy trilogy set among the Hundred Isles, where bone ships and sea dragons shape an ongoing war.
3 books · View reading order →
trilogy · complete
The Tipping Point
A completed near-future science-fiction trilogy about biotechnology, identity, and social transformation.
3 books · View reading order →
trilogy · ongoing
The Titan's Wrath Trilogy
A sapphic science-fantasy trilogy about a soldier and a princess confronting disease, violence, eldritch threats, and the mysteries of an underwater world.
3 books · View reading order →
trilogy · complete
The Tower and the Knife
A fantasy trilogy published under the pseudonym Mazarkis Williams.
3 books · View reading order →
trilogy · completed
The Traitor Spy Trilogy
A sequel trilogy set a generation after The Black Magician Trilogy, as Kyralia confronts renewed threats involving black magic, the Thieves, and Sachaka.
3 books · View reading order →
comic series · completed
The Traveler
by Mark Waid
Science-fiction superhero series co-created with Stan Lee.
3 books · View reading order →
novel-trilogy · complete
The Trilogy
Samuel Beckett's three linked postwar novels, commonly known collectively as the Trilogy.
3 books · View reading order →
novel sequence · complete
The Trilogy of the Rat
A sequence of three novels featuring the unnamed narrator and his friend the Rat.
3 books · View reading order →
trilogy · complete
The Truly Devious Series
The original Ellingham Academy trilogy following Stevie Bell as she investigates a decades-old kidnapping and new murders at the school.
3 books · View reading order →
novel-series · complete
The Twins of Petaybee
The Petaybee sequel trilogy.
3 books · View reading order →
series · complete
The Two of Swords
by K. J. Parker
A completed serialized novel published in three collected volumes, set amid a long-running imperial war and political upheaval.
3 books · View reading order →
comic series · ongoing
The Umbrella Academy
by Gabriel Bá
A superhero and science-fantasy comics series created by Gerard Way and Gabriel Bá.
3 books · View reading order →
romance series · complete
The Underdogs
by Kate Stewart
An interconnected contemporary-romance series about college football players and the women they love.
3 books · View reading order →
comic-series · complete
The Unwritten
by Mike Carey
A Vertigo metafictional comic series co-created with Peter Gross.
3 books · View reading order →
subseries · complete
The Vampire Diaries: The Return
by L. J. Smith
The three-volume continuation written by Smith after the original quartet.
3 books · View reading order →
trilogy · complete
The Vanquishers
A middle-grade paranormal adventure trilogy about children who confront the return of vampires to San Antonio.
3 books · View reading order →
novel-series · complete
The Veil Trilogy
A fantasy trilogy about hidden mythic beings in the modern world.
3 books · View reading order →
novel-series · complete
The Vicious Deep
A young-adult fantasy trilogy about a teenager who discovers he is heir to an underwater kingdom.
3 books · View reading order →
series · complete
The Viscount of Adrilankha
by Steven Brust
The three-volume concluding romance in the Khaavren Romances.
3 books · View reading order →
series · complete
The Volta Academy Chronicles
by M. L. Wang
A completed young adult magical-girl portal-fantasy series published under the pseudonym Maya Lin Wang.
3 books · View reading order →
subseries · complete
The Voyage of the Jerle Shannara
by Terry Brooks
A Shannara trilogy about an expedition beyond the known Four Lands in search of a lost source of magic.
3 books · View reading order →
novel-series · complete
The Waking Trilogy
A young-adult ghost story trilogy published under the pseudonym Thomas Randall.
3 books · View reading order →
novel-series · complete
The War Arts Saga
by Wesley Chu
An epic fantasy trilogy inspired by wuxia, following martial artists, a prophesied hero, and the struggle against an immortal god-king.
3 books · View reading order →
novel-series · complete
The War Between the Provinces
A fantasy series about rival provinces and armies in a world inspired by the American Civil War.
3 books · View reading order →
novel series · complete
The War of Broken Mirrors
by Andrew Rowe
A serious, multi-perspective fantasy series focused on political intrigue and subterfuge.
3 books · View reading order →
historical-fiction-series · completed
The Warlord Chronicles
A historical reimagining of Arthurian Britain narrated by Derfel Cadarn.
3 books · View reading order →
novel-series · complete
The Way
by Greg Bear
A science-fiction series built around the extradimensional corridor known as the Way.
3 books · View reading order →
subseries · completed
The Way of the Drow
A Drizzt sequence set in the later history of the drow and the Forgotten Realms.
3 books · View reading order →
trilogy · completed
The Wells of Sorcery
A young-adult fantasy trilogy about Isoka, a girl who can access magical Wells and is sent to steal a legendary ghost ship.
3 books · View reading order →
series · completed
The Wheel of Time
Robert Jordan's fantasy series, completed by Sanderson from Jordan's notes after Jordan's death.
3 books · View reading order →
series · ongoing
The Whistler
by John Grisham
The Lacy Stoltz legal-thriller series.
3 books · View reading order →
trilogy · completed
The Wideacre Trilogy
A three-volume historical saga of the Lacey family and their estate in eighteenth-century England.
3 books · View reading order →
trilogy · completed
The Winnowing Flame
by Jen Williams
An epic fantasy trilogy about the threatened world of Sarn, ancient magic, and the monstrous Jure'lia.
3 books · View reading order →
graphic-novel-series · complete
The Witch Boy
A middle-grade fantasy graphic-novel trilogy about magic, family, identity, and defying gendered traditions.
3 books · View reading order →
series · complete
The World Fixers
by Ted Dekker
A young-reader allegorical fantasy trilogy about two enemies trying to heal a divided world, co-authored with Rachelle Dekker.
3 books · View reading order →
trilogy · complete
The Wormwood Trilogy
A science-fiction trilogy centered on the alien presence known as Wormwood and its effects on humanity.
3 books · View reading order →
trilogy · completed
The Wounded Kingdom
by RJ Barker
A completed trilogy of dark fantasy novels centered on assassins, kingship, and political intrigue in Maniyadoc.
3 books · View reading order →
trilogy · completed
The WWW Trilogy
A trilogy exploring the emergence of machine intelligence through the World Wide Web and its consequences for humanity.
3 books · View reading order →
series · complete
The Young Elites
by Marie Lu
A fantasy trilogy about survivors of a deadly disease who develop extraordinary powers.
3 books · View reading order →
young-adult-series · complete
The Young Merlin Trilogy
by Jane Yolen
A coming-of-age fantasy trilogy about Merlin.
3 books · View reading order →
audio-novel-series · complete
The Youngbloods
by Kami Garcia
An adult speculative fiction audiobook trilogy co-created by Kami Garcia, Gwenda Bond, and Sam Humphries.
3 books · View reading order →
novel-series · completed
The Zodiac Legacy
by Stan Lee
A young-adult superhero trilogy co-created by Stan Lee and written with Stuart Moore, involving the powers of the Chinese Zodiac.
3 books · View reading order →
trilogy · complete
Thematic Trilogy
A structurally and thematically connected trilogy exploring different combinations of words and pictures.
3 books · View reading order →
series · complete
There’s Something About Marysburg
by Olivia Dade
Contemporary romances set among the people and communities of Marysburg.
3 books · View reading order →
series · complete
These Walls Can Talk
by Erin Mallon
A comedic audio-play series about romance audiobooks, their creators, narrators, and fans.
3 books · View reading order →
trilogy · completed
Thessaly
by Jo Walton
A philosophical science-fiction trilogy based on Plato's Republic and an attempt to establish an ideal city in the ancient world.
3 books · View reading order →
comic-series · completed
Thief of Thieves
A crime-comic series originated by Robert Kirkman; he co-wrote its first three collected volumes.
3 books · View reading order →
series · complete
This Woven Kingdom
by Tahereh Mafi
A Persian mythology-inspired young adult fantasy trilogy about a hidden Jinn heir, rival kingdoms, and forbidden romance.
3 books · View reading order →
duet · completed
Thorns Duet
by Rina Kent
A dark contemporary-romance duet about a star quarterback and a cheerleader.
3 books · View reading order →
trilogy · complete
Thousand Worlds
by Yoon Ha Lee
A middle-grade space-opera series blending Korean mythology, fox and tiger spirits, and interstellar adventure.
3 books · View reading order →
trilogy · completed
Three Californias
A trilogy of novels imagining three contrasting futures for Southern California.
3 books · View reading order →
trilogy · complete
Three Rancheros
Three linked middle-grade novels following Raymie, Louisiana, and Beverly.
3 books · View reading order →
trilogy · completed
Three Sisters Island Trilogy
by Nora Roberts
3 books · View reading order →
series · complete
Tim Forest
by Norman Denny
A children's adventure trilogy featuring Tim Forest.
3 books · View reading order →
children's-novel · ongoing
Time Travel Twins
Middle-grade historical adventure series about twins who travel through American history.
3 books · View reading order →