duology · complete
If He Had Been with Me
by Laura Nowlin
A two-book companion series about Autumn and Finn, told across multiple perspectives and centered on love, friendship, loss, and regret.
2 books · View reading order →
Series status
Completed series
novel series · complete
If I Stay
by Gayle Forman
A two-novel series following Mia Hall and Adam Wilde before and after a life-changing accident.
2 books · View reading order →
series · complete
If Love
by Ana Huang
Sweet but steamy New Adult romances.
4 books · View reading order →
novel sequence · complete
If You Come Softly
A two-book sequence about love, loss, grief, and the lasting effects of an interracial teenage romance.
2 books · View reading order →
series · completed
Iggy
A five-book middle-grade series about Iggy Frangi, an energetic and impulsive troublemaker.
5 books · View reading order →
character-cycle · complete
Ijon Tichy cycle
Comic and philosophical adventures of the space traveler Ijon Tichy.
4 books · View reading order →
collected prose · complete
Il secondo mestiere
The two-volume posthumous collection of Montale's prose, criticism, music writing, and cultural journalism.
2 books · View reading order →
universe · complete
Ile-Rien
by Martha Wells
A fantasy universe centered on the kingdom and cultures of Ile-Rien, including standalone novels, the Fall of Ile-Rien trilogy, and related short fiction.
7 books · View reading order →
duology · complete
Ilium/Olympos
by Dan Simmons
A science-fiction duology blending the Trojan War, Shakespeare, and posthuman far-future civilizations.
2 books · View reading order →
series · completed
Illusions
by Richard Bach
A philosophical fiction series following encounters with the unconventional messiah Donald Shimoda and his continuing influence.
2 books · View reading order →
limited-series · unfinished
Image United
An unfinished Image Comics crossover series co-written by Robert Kirkman and other Image founders.
1 book · View reading order →
novel-series · complete
Immortal Enemies
A paranormal romance series about ancient immortal adversaries.
2 books · View reading order →
comic-series · completed
Immortal X-Men
A Marvel Krakoa-era series about the Quiet Council of Krakoa.
4 books · View reading order →
novel-series · complete
Imperia
A fantasy romance series beginning with The Stone Prince.
2 books · View reading order →
limited comic series · completed
Imperial
Marvel cosmic science-fiction limited series written by Hickman.
1 book · View reading order →
trilogy · complete
Imperial Radch
by Ann Leckie
A complete space-opera trilogy about Breq, the surviving fragment of a starship intelligence, and the Radchaai empire.
3 books · View reading order →
anthology-series · complete
Imperial Stars
Science-fiction anthology series edited by Jerry Pournelle and John F. Carr.
3 books · View reading order →
trilogy · complete
Impossible Times
A science-fiction trilogy set in 1980s London, following a mathematics prodigy through friendship, illness, Dungeons & Dragons, and a time-travel mystery.
3 books · View reading order →
novel series · completed
Impostors
A four-novel continuation of the Uglies universe, set after the original quartet.
4 books · View reading order →
travel series · complete
Impressions de voyage
Dumas's connected series of travel narratives and travel impressions, covering France, Switzerland, Italy, Spain, North Africa, the Caucasus, and Russia.
15 books · View reading order →
comic series · completed
Impulse
by Mark Waid
Mark Waid's early stories featuring Bart Allen as Impulse.
1 book · View reading order →
duology · complete
Impulse series
A completed young-adult verse series about three teenagers whose lives intersect after suicide attempts.
2 books · View reading order →
trilogy · complete
Imriel Trilogy
The second Kushiel's Legacy trilogy, following Imriel nó Montrève de la Courcel.
3 books · View reading order →
novella series · complete
In a Nutshell
A short-fiction series.
2 books · View reading order →
guide-series · completed
In Focus Guides
by Nick Caistor
Short guides to the people, politics, and culture of Latin American countries.
3 books · View reading order →
duet · completed
In Luv Duet
A contemporary romance duet co-authored by Rebecca Yarros and Jay Crownover.
2 books · View reading order →
trilogy · completed
In the Garden
by Nora Roberts
3 books · View reading order →
audio-series · complete
In-Depth Market Research Interviews with Dead People
A comedic Audible Original series of short fictional market-research interviews with deceased people, using consumer products as entrances into their relationships, choices, and lives.
3 books · View reading order →
novel series · complete
Incarnations of Immortality
Fantasy series about mortals who assume the offices of supernatural powers.
8 books · View reading order →
series · complete
Incerto
A five-volume philosophical essay on uncertainty, probability, risk, and human knowledge.
5 books · View reading order →
comic-series · complete
Incognito
by Ed Brubaker
Superhero-noir limited series co-created with Sean Phillips.
1 book · View reading order →
comic series · completed
Incorruptible
by Mark Waid
Spin-off superhero series set in the Irredeemable universe.
7 books · View reading order →
novel-series · complete
Indexing
A contemporary fantasy series in which fairy-tale narratives become dangerous realities managed by the ATI Management Bureau.
2 books · View reading order →
trilogy · complete
Indian Lake Trilogy
A trilogy centered on Jade Daniels and the slasher mythology surrounding Indian Lake.
3 books · View reading order →
publication-series · complete
Indian Railway Library
A series of separately issued early collections of Kipling's Indian stories, published in Allahabad in 1888–1889.
6 books · View reading order →
trilogy · complete
Infected
by Scott Sigler
A trilogy about an alien pathogen and humanity's escalating struggle against it.
3 books · View reading order →
series · complete
Inferno
Dante-inspired afterlife adventure sequence co-written with Larry Niven.
2 books · View reading order →
series · completed
Infinity Blade
Novellas based on the Infinity Blade action-role-playing game.
2 books · View reading order →
multi-author series · completed
Infinity Ring
A multi-author alternate-history time-travel series; Dashner wrote the first and seventh books.
2 books · View reading order →
graphic-series · complete
Infinity Watch
by Derek Landy
A Marvel Comics graphic series written by Derek Landy.
1 book · View reading order →
comic series · complete
Inhuman
Charles Soule's Marvel Comics Inhuman series.
1 book · View reading order →
comic-series · completed
Inhumans Vs. X-Men
by Jeff Lemire
A six-issue Marvel event limited series co-written with Charles Soule.
1 book · View reading order →
comic series · complete
Inhumans: Attilan Rising
A Secret Wars-era Marvel Comics limited series.
1 book · View reading order →
comic-series · complete
Injection
by Warren Ellis
A contemporary science-fiction series about a group who attempted to inject artificial intelligence into culture.
3 books · View reading order →
series · complete
Ink & Sigil
by Kevin Hearne
A spin-off urban-fantasy series about Al MacBharrais, a Scottish practitioner of ink-and-sigil magic.
3 books · View reading order →
book-series · complete
Ink Books
A series of books about tattoos, their makers, and the personal stories behind them, co-created by Wendy MacNaughton and Isaac Fitzgerald.
2 books · View reading order →
trilogy · completed
Inn BoonsBoro Trilogy
by Nora Roberts
3 books · View reading order →
paranormal-romance-series · complete
Insatiable
by Meg Cabot
A paranormal adult romance series about a soap-opera writer with precognitive powers drawn into a war involving demons and vampires.
2 books · View reading order →
duology · complete
Insider Series
A science-fiction duology about Trella and the divided society inside a vast metal cube.
2 books · View reading order →
series · complete
Institute of the Shadow Fae
An urban-fantasy romance series centered on a dangerous fae institute and its courts.
4 books · View reading order →
series · complete
Institute of the Storm Fae
A fae fantasy-romance series co-authored with Katerina Martinez.
1 book · View reading order →
comic series · completed
Insufferable
by Mark Waid
Creator-owned digital and print comic series co-created with Peter Krause.
3 books · View reading order →
series · complete
Interesting Zoology
A nonfiction and children's-literature grouping about animals.
2 books · View reading order →
series · complete
Internet Girls
An epistolary young adult series about three close friends told through instant messages and digital communication.
5 books · View reading order →
novel sequence · completed
Interstellar Empire
by John Brunner
A space-opera sequence concerning the decline and possible renewal of a galactic empire.
2 books · View reading order →
young-adult-novel-series · complete
Intertwined
A young adult paranormal series about a boy connected to multiple souls.
3 books · View reading order →
novel-series · complete
InterWorld
by Neil Gaiman
A science-fiction and fantasy trilogy created by Neil Gaiman and Michael Reaves and completed with Mallory Reaves.
3 books · View reading order →
novel-series · complete
Into Darkness
A dark-romance series featuring morally gray characters, obsessive desire, danger, and high-heat relationships.
3 books · View reading order →
multi author short fiction series · complete
Into Shadow
A completed multi-author series of dark-fantasy Amazon Original Stories; Harrow's contribution is the third title.
1 book · View reading order →
novel series · complete
Into the Crooked Place
A completed young adult fantasy duology about four magical outsiders navigating crime, rebellion, and dark magic in Creije.
2 books · View reading order →