Aliens Fantasy Books: Best Reads

Fantasy books under this tag feature alien species, strange planets, and uncanny visitors woven into magical worlds. Ideal for readers who enjoy cosmic settings mixed with the supernatural.

Curated by Fabled Tome

14 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+ hidden Any Protagonist

NSFW

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Light Novels, Comics & Manga

Show illustrated and light novel entries alongside standard fantasy books.

LGBTQ+ themes

Include books tagged with LGBTQ+ themes or related sub-tags.

Protagonist

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1 Dungeon Crawler Carl

Dungeon Crawler Carl

By

Rated 4.48 out of 5 stars, based on 302,592 reviews.

Dungeon Crawler Carl by Matt Dinniman follows Coast Guard veteran Carl as he navigates a post-apocalyptic Earth transformed into a deadly, game show-style dungeon. Alongside Princess Donut, his ex-girlfriend’s cat, Carl faces alien invasions, magical traps, and bizarre creatures while trying to survive and advance through the levels of this intergalactic reality competition. The story blends elements of science fiction and fantasy in a setting where humanity’s remnants are exploited for entertainment.

Book 1 of Dungeon Crawler Carl series


2 Defiance of the Fall

Defiance of the Fall

By ,

Rated 4.34 out of 5 stars, based on 15,911 reviews.

Defiance of the Fall (Defiance of the Fall, #1) by TheFirstDefier and J.F. Brink introduces Zac, who finds himself isolated in a transformed world governed by a mysterious System that reveals a multiverse filled with competing races and civilizations. Armed only with a hatchet, Zac must navigate a hostile wilderness inhabited by dangerous creatures while seeking his family and adapting to a ruthless new reality. This novel blends elements of LitRPG and eastern cultivation, featuring class and skill systems within a vast universe marked by constant threats and unpredictable power dynamics.

Book 1 of Defiance of the Fall series


3 Road to Mastery

Road to Mastery

By

Rated 4.31 out of 5 stars, based on 3,245 reviews.

Road to Mastery (Road to Mastery #1) by Valerios follows Jack Rust, a former biologist who finds himself trapped in a transformed Earth dominated by an alien AI known as the System. Stripped of magic and armed only with his fists, Jack must navigate a hostile environment filled with monsters and a mysterious forest dungeon. As he fights to survive and uncover the truth behind the invasion, Jack adapts to this new reality where physical strength becomes his primary tool. This novel blends elements of fantasy, science fiction, and role-playing game mechanics within a post-apocalyptic setting.

Book 1 of Road to Mastery series


4 First Song, Book One

First Song, Book One

By ,

Rated 4.31 out of 5 stars, based on 1,203 reviews.

First Song, Book One (Anthem of Infinity #1) by Blaise Corvin and Outspan Foster is set in a post-apocalyptic America two years after the Shift, an event that disrupted technology and altered physical laws. The protagonist, Noah Henson, struggles with survival and moral compromise in a lawless world while grappling with rumors about the enigmatic Aelves, possibly alien in origin. The discovery of a mysterious orb with extraordinary power offers Noah a potential turning point amid the chaos. This fantasy and science fiction narrative explores themes of survival, redemption, and the consequences of a transformed reality.

Book 1 of Anthem of Infinity series


5 Subjugation (Subjugation, #1)

Subjugation

By

Rated 4.31 out of 5 stars, based on 378 reviews.

Subjugation (Subjugation, #1) by James Galloway is a science fiction novel set in a future where the telepathic alien Faey have subjugated Earth, transforming it into a resource colony for their empire. The story follows Jason, a college student studying Faey technology who harbors resentment toward their oppressive rule. His life becomes complicated when he encounters Jyslin, a determined Faey Imperial Marine with her own agenda. The narrative explores themes of control, resistance, and complex interpersonal dynamics within a space opera and military fiction framework.

Book 1 of Subjugation Universe series


6 Frozen Soul

Frozen Soul

By

Rated 4.30 out of 5 stars, based on 219 reviews.

Frozen Soul by Stuart Grosse is a science fiction novel set during the 2016 invasion of Earth by the Rithenal Empire, a multispecies force seeking control of the strategically vital Sol System. The story follows Iceblade, an amoral assassin known as the Mistwalker, who uses deadly mist-based powers to combat the invaders. Against a backdrop of advanced technology and mutant abilities gained from past extraterrestrial encounters, Iceblade operates with ruthless pragmatism, embodying a complex villain rather than a traditional hero. The narrative contains mature themes including violence and moral ambiguity.

Book 1 of Frozen Soul series


7 Falling with Folded Wings

Falling with Folded Wings

By

Rated 4.29 out of 5 stars, based on 721 reviews.

Falling with Folded Wings by Plum Parrot follows engineer Morgan Hall, who is awakened centuries early from stasis aboard the arkship Pilgrim-9 and forced down to an unknown world. Stripped of their advanced technology, Morgan and his fellow colonists must learn to survive in a harsh, post-apocalyptic landscape where magic operates alongside science and monstrous threats are commonplace. As they slowly build a fragile foothold, they uncover evidence of a highly intelligent alien species whose abilities and military strength challenge human assumptions about dominance and survival. The novel blends progression fantasy elements with space opera and war fiction, emphasizing adaptation, conflict, and the cost of settling a hostile, inhabited planet.

Book 1 of Falling with Folded Wings series


8 The Cleaner, the Cat and the Space Station

The Cleaner, the Cat and the Space Station

By

Rated 4.26 out of 5 stars, based on 460 reviews.

The Cleaner, the Cat and the Space Station by Fay Abernethy blends cozy science fiction with light fantasy as an alien-run orbital station secretly shields Earth from hostile forces. Hanna Abebe, an undocumented cleaner in London, is pulled from a life on the streets into a hidden training school for Shantivira fighter pilots, only to suspect betrayal among the recruits. On Dartmoor, horse rider Lucy Cooper encounters a shapeshifter who offers her a place on the same programme, while a shadowy group pressures her to spy on the station’s true intentions. Above them all, bored station captain Joe Llewellyn faces an unexpected crisis when an asteroid strike on the International Space Station forces him to reveal the existence of aliens, drawing these intertwined human and non-human loyalties into open conflict.

Book 1 of The Shantivira series


9 The Hitchhiker's Guide to the Galaxy

The Hitchhiker's Guide to the Galaxy

By

Rated 4.22 out of 5 stars, based on 2,037,603 reviews.

The Hitchhiker's Guide to the Galaxy by Douglas Adams follows Arthur Dent, an ordinary Englishman abruptly removed from Earth moments before its destruction to clear space for a hyperspatial express route. Rescued by Ford Prefect, a disguised alien researcher for a notorious electronic guidebook, Arthur is swept into a chaotic tour of the galaxy that mixes absurd bureaucracy, philosophical asides, and deadpan humor. Alongside the erratic galactic president Zaphod Beeblebrox, the capable Trillian, and the morose robot Marvin, Arthur confronts both cosmic scale events and the trivialities of everyday life. This classic science fiction comedy blends space opera adventure with a wry, often psychological look at meaning, survival, and the strange habits of intelligent beings.

Book 1 of The Hitchhiker’s Guide to the Galaxy series


10 Born of Night

Born of Night

By

Rated 4.19 out of 5 stars, based on 28,447 reviews.

Born of Night by Sherrilyn Kenyon opens the Ichidian Universe with a blend of science fiction, paranormal elements, and high-intensity military action. Nykyrian Quikiades, a former League assassin now marked for death by his own organization, is assigned to guard Kiara Zamir, whose father’s political stance has made her a target in an interstellar power struggle. Kiara’s past trauma at the hands of assassins makes relying on Nykyrian almost unbearable, yet the escalating threats force them into close alliance. As enemies close in from all sides, the novel focuses on their uneasy partnership, the ethics of state-sanctioned killing, and the difficulty of trust and intimacy in a world shaped by war and corruption.

Book 1 of The League: Nemesis Rising series


11 AL:ICE

AL:ICE

By

Rated 4.18 out of 5 stars, based on 2,164 reviews.

AL:ICE (AL:ICE, #1) by Charles W. Lamb follows Captain Jacob Thomas, a Marine Corps veteran who volunteers for a DARPA experiment and wakes up in a future where humanity has lost two centuries of technological progress and suffered massive population decline. Assisted by an AI named AL:ICE, Jacob escapes an abandoned lab and begins efforts to restore Earth, starting in central California’s farmlands before moving into orbit. The novel blends elements of military fiction, space opera, and dystopia as Jacob confronts the forces responsible for humanity’s downfall.

Book 1 of AL:ICE series


12 Clean Sweep

Clean Sweep

By

Rated 4.16 out of 5 stars, based on 64,044 reviews.

Clean Sweep by Ilona Andrews introduces Dina Demille, an innkeeper whose quiet Texas bed-and-breakfast is actually a sentient, magically empowered refuge for travelers from distant worlds. Armed with a lethal broom and aided by her shape-shifting Shih Tzu, Dina is drawn into protecting her unsuspecting suburban neighborhood when a predatory, otherworldly creature begins killing nearby. As she investigates, she must navigate uneasy alliances and romantic tension with Sean Evans, an alpha werewolf neighbor, and Arland, a disciplined vampire warrior bound by interstellar politics. Blending urban fantasy, science fiction elements, and action-oriented romance, the novel centers on a capable female protagonist balancing duty to her inn with the escalating dangers outside its wards.

Book 1 of Innkeeper Chronicles series


13 Eye of the Tiger

Eye of the Tiger

By

Rated 4.14 out of 5 stars, based on 3,082 reviews.

Eye of the Tiger (Star Justice #1) by Michael-Scott Earle follows space marine Adam, who has been transformed into a genetically enhanced super soldier with tiger-like abilities. After a mission goes awry, Adam is freed from his control collar and becomes responsible for protecting a mysterious woman reliant on blood for survival. Set on an alien planet, they face pursuit by a dominant mega corporation while seeking refuge aboard a secret experimental starship. The novel blends elements of science fiction, military fiction, and paranormal fantasy within a space opera framework.

Book 1 of Star Justice series


14 Gateway

Gateway

By

Rated 4.06 out of 5 stars, based on 47,825 reviews.

Gateway by Frederik Pohl centers on a hazardous alien spaceport packed with abandoned Heechee ships that anyone can launch but no one can truly steer. Set in a harsh, resource-depleted future, the novel follows would-be prospectors who risk death or disfigurement for the chance at transformative discoveries and sudden wealth. As pilots gamble their lives on unpredictable voyages into deep space, Pohl blends classic science fiction and speculative tension with psychological insight, exploring fear, greed, and the cost of survival. The result is a Hugo Award–winning work that reads as both space opera and an examination of human behavior under extreme pressure.

Book 1 of Heechee Saga series