Adult Fantasy Books Guide

Adult fantasy focuses on mature themes, intricate plots, and nuanced character work. These stories suit readers who prefer complex worlds and adult-focused narratives.

Curated by Fabled Tome

112 Books in subgenre
Apr 13, 2026 Last updated
Content filters Expand or collapse to refine what appears in this ranking. NSFW hidden Illustrated hidden LGBTQ+ included Any Protagonist

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Show illustrated and light novel entries alongside standard fantasy books.

LGBTQ+ themes

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97 The Goblin Emperor

The Goblin Emperor

By

Rated 4.07 out of 5 stars, based on 55,799 reviews.

The Goblin Emperor by Katherine Addison follows Maia, a half-goblin prince raised in isolation who is abruptly elevated to the throne after a fatal airship disaster wipes out the rest of the imperial heirs. Thrust into an elaborate Elven court he bar…

Book 1 of The Chronicles of Osreth series


98 A River Enchanted

A River Enchanted

By

Rated 4.07 out of 5 stars, based on 94,096 reviews.

In A River Enchanted, Rebecca Ross sets her fantasy on the isle of Cadence, where elemental spirits shape daily life and old songs hold real power. Jack Tamerlaine, a bard who has spent a decade on the mainland, is called back when young girls begin…

Book 1 of Elements of Cadence series


99 The Bone Ships

The Bone Ships

By

Rated 4.06 out of 5 stars, based on 12,203 reviews.

The Bone Ships by R.J. Barker introduces an adult epic fantasy world where rival maritime nations wage unending war in fleets built from the bones of long-dead dragons. In the Hundred Isles, political power and military strength depend on these rare…

Book 1 of The Tide Child series


100 On the Edge

On the Edge

By

Rated 4.06 out of 5 stars, based on 48,012 reviews.

On the Edge by Ilona Andrews introduces Rose Drayton, a young woman scraping by on the borderland between two realities: the magic-poor Broken and the power-ruled Weird. As an Edger, Rose can cross between worlds, but her unusual abilities have broug…

Book 1 of The Edge series


101 Traitor's Blade

Traitor's Blade

By

Rated 4.06 out of 5 stars, based on 26,347 reviews.

Traitor's Blade by Sebastien de Castell follows Falcio val Mond, once the first Cantor of the Greatcoats, an elite order of travelling magistrates trained in both swordplay and the intricate laws of Tristia. After the Dukes overthrow the king and sei…

Book 1 of Greatcoats series


102 The Darkest Night

The Darkest Night

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Rated 4.06 out of 5 stars, based on 86,125 reviews.

In The Darkest Night, Gena Showalter opens her Lords of the Underworld series with a dark urban fantasy romance set in contemporary Budapest. Ashlyn Darrow, plagued since childhood by relentless echoes of past conversations, seeks out a reclusive ban…

Book 1 of Lords of the Underworld series


103 A Hunger Like No Other

A Hunger Like No Other

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Rated 4.06 out of 5 stars, based on 93,563 reviews.

A Hunger Like No Other by Kresley Cole follows Lachlain MacRieve, a brutal Lykae clan leader scarred by years of imprisonment and torture at the hands of vampires. His long-awaited fated mate turns out to be Emmaline Troy, a timid, sheltered woman wh…

Book 1 of Immortals After Dark series


104 Fire & Blood

Fire & Blood

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Rated 4.05 out of 5 stars, based on 148,260 reviews.

Fire & Blood by George R.R. Martin, illustrated by Doug Wheatley, presents a detailed fictional history of House Targaryen in Westeros, written as an in-world chronicle by a Citadel maester. Beginning with Aegon the Conqueror and the forging of the I…

Book 1 of A Targaryen History series


105 The Undertaking of Hart and Mercy

The Undertaking of Hart and Mercy

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Rated 4.05 out of 5 stars, based on 50,110 reviews.

The Undertaking of Hart and Mercy by Megan Bannen blends small-town fantasy with a slow-burn, enemies-to-lovers romance. Hart, a weary marshal patrolling the demon-haunted borders of Tanria, and Mercy, an overworked undertaker determined to keep her…

Book 1 of Hart and Mercy series


106 Paladin's Grace

Paladin's Grace

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Rated 4.05 out of 5 stars, based on 57,004 reviews.

Paladin's Grace by T. Kingfisher follows Stephen, a former holy warrior whose god has died, leaving him adrift and clinging to duty as his only purpose. When he crosses paths with Grace, a woman on the run, he is pulled into a failed assassination th…

Book 1 of The Saint of Steel series


107 Daughter of the Blood

Daughter of the Blood

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Rated 4.04 out of 5 stars, based on 44,225 reviews.

In Daughter of the Blood, Anne Bishop introduces a dark fantasy world where an ancient prophecy foretells the rise of a Queen whose magic will eclipse that of the High Lord of Hell. This Witch is still a young girl, powerful yet vulnerable, and every…

Book 1 of The Black Jewels series


108 Seven Years

Seven Years

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Rated 4.04 out of 5 stars, based on 20,526 reviews.

Seven Years by Dannika Dark opens with Lexi Knight still grieving her brother’s death seven years later, her life upended again when his former best friend, Austin Cole, returns without warning. Once the boy next door and now a hardened, tattooed Shi…

Book 1 of Seven series


109 A Darker Shade of Magic

A Darker Shade of Magic

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Rated 4.03 out of 5 stars, based on 437,122 reviews.

A Darker Shade of Magic by V.E. Schwab introduces Kell, a rare magician who can cross between four parallel versions of London, each with its own history and relationship to magic. As the Red Traveler and reluctant smuggler, he moves between Grey Lon…

Book 1 of Shades of Magic series


110 First Grave on the Right

First Grave on the Right

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Rated 4.03 out of 5 stars, based on 92,365 reviews.

First Grave on the Right introduces Charley Davidson, a sardonic private investigator who also serves as a grim reaper, able to see and talk with the dead. Her unusual clients are murder victims who push her to uncover the truth behind their deaths,…

Book 1 of Charley Davidson series


111 The Spellshop

The Spellshop

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Rated 4.00 out of 5 stars, based on 159,944 reviews.

The Spellshop by Sarah Beth Durst follows Kiela, an introverted librarian who escapes a burning imperial library with her sentient spider plant assistant and a cache of forbidden spellbooks. Hiding on the remote island where she grew up, she tries to…

Book 1 of Spellshop series


112 Ninth House

Ninth House

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Rated 4.00 out of 5 stars, based on 409,485 reviews.

In Ninth House, Leigh Bardugo shifts to adult dark fantasy with a supernatural mystery set amid Yale’s secret societies. Galaxy “Alex” Stern, a trauma-scarred college freshman with a history of drugs and violence, is recruited to the university under…

Book 1 of Alex Stern series