AI Genre Classifier

What Genre Is This Book?

✦ Paste a Plot or Title, Get the Genre ✦

Trying to figure out what genre is this book? Paste a description, a title, or title and author. The AI tells you the primary genre, the subgenres, and a few books that sit on the same shelf.

CLASS . . .
Subject Card No. 2106
Paste a description, title, or title + author
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How We Identify a Book's Genre

Genre is rarely a single label. It's a stack: primary genre, a few subgenres, and the cues that put a book there.

Paste a description, a title, or a title and author. The AI looks for the things bookstores and librarians use to shelve a book: setting, era, character archetype, plot engine, tone, target audience. From there it picks the genre that best describes the book, then adds a couple of subgenres for nuance. "Fantasy" on its own tells you almost nothing.

Give it a real title and it classifies that specific book. Give it a description and it classifies what the description implies. The more specific your cues (a magic system, a detective trope, a particular era, a romance arc), the tighter the result. Vague descriptions get a broad genre and a low confidence score.

Once you know the genre, finding similar reads gets easier. The result links straight into our find a book by plot tool, or you can browse books like collections to see what sits on the same shelf.

Common Book Genres, Explained

A short reference for the genres readers ask about most. One paragraph each, plus a few canonical titles.

Genre

Literary Fiction

Character-driven novels where prose, interior life, and ambiguity matter more than plot. The point is what the book makes you think, not what happens in it.

Examples
Stoner, A Little Life, The Remains of the Day
Genre

Mystery

A crime, a question, a detective figure. The pleasure is the puzzle: clues, suspects, the slow reveal.

Examples
Murder on the Orient Express, The Thursday Murder Club, The Maltese Falcon
Genre

Thriller

Higher stakes, faster pace, more dread. Domestic, psychological, political, espionage: same engine, different paint job.

Examples
Gone Girl, The Silent Patient, The Da Vinci Code
Genre

Romance

Two people, an obstacle, an emotionally satisfying ending. Subgenres add the texture: contemporary, historical, paranormal, romantasy.

Examples
Pride and Prejudice, Outlander, It Ends with Us
Genre

Fantasy

Worlds with magic. Epic fantasy goes wide and grand; urban fantasy hides magic in our world; romantasy blends romance and magic.

Examples
The Name of the Wind, Mistborn, A Court of Thorns and Roses
Genre

Science Fiction

Worlds shaped by technology or speculation. Hard sci-fi cares about the science; soft sci-fi cares about the people inside it.

Examples
Dune, Project Hail Mary, The Left Hand of Darkness
Genre

Historical Fiction

Stories set in real periods, often weaving fictional characters into known events. The era is a character.

Examples
Wolf Hall, The Book Thief, Pillars of the Earth
Genre

Horror

Dread is the point. Cosmic, gothic, slasher, quiet horror: the through-line is the feeling, not the monster.

Examples
The Shining, Mexican Gothic, House of Leaves
Genre

Young Adult (YA)

Aimed at teen readers, usually with a teen protagonist and themes of identity, first love, finding place. A market category that crosses genres.

Examples
The Fault in Our Stars, Six of Crows, The Hate U Give
Genre

Memoir & Biography

Real lives, told as story. Memoir is selective and voicy; biography aims for the whole arc.

Examples
Educated, Becoming, The Glass Castle
Genre

Self-Help

Books built around a framework or a method. The good ones pair an idea with evidence and a few practical steps.

Examples
Atomic Habits, The Subtle Art of Not Giving a F*ck, Mindset
Genre

Dystopian

Speculative societies that have gone wrong. A subgenre of sci-fi, but tonally distinct: closer to political fable than to a tech thought experiment.

Examples
1984, The Handmaid's Tale, Brave New World

✦ Don't see your book's genre here? Paste it into the classifier above ✦

Frequently Asked Questions

Common questions about identifying a book's genre

Look at a few things: setting, plot engine, tone, target audience. A detective and a crime usually means mystery. Magic and a quest usually means fantasy. If guessing isn't fun, paste a description (or a title) into the classifier above and let the AI handle it.

For real, named books, the AI almost always nails the primary genre. For pure descriptions, it depends on how specific you are. Vague description, vague genre, low confidence. The classifier returns a confidence score so you know which calls to trust.

Genre is the broad shelf: Fantasy, Mystery, Romance. Subgenre is the specific lane: Epic Fantasy, Cozy Mystery, Historical Romance. Most books sit in one primary genre with one or two subgenres that pin them down further. The classifier returns both.

Most books do. Fantasy with a romance arc, thrillers written like literary fiction, sci-fi that's also coming-of-age. The lines aren't clean. The classifier picks the primary genre based on what the book is most obviously doing, then lists the rest as subgenres.

Yes. Completely free, no sign-up, no limits. Classify as many books as you want.

It can try. If the description is thin, you'll get a broad genre and a low confidence score. Distinctive details (a specific scene, an unusual setting, a character's profession) usually move it from "possibly literary fiction" to a precise call.

Finding a book by plot returns the actual book titles that match a description. This page returns the genre the book belongs to. Use the plot tool when you want to find a specific book; use this tool when you want to know what shelf it sits on.

They're the categories booksellers, libraries, and reading communities actually use. Primary genres like Fantasy, Mystery, and Literary Fiction; widely recognized subgenres like Romantasy, Cozy Mystery, and Magical Realism. The classifier sticks to labels readers will recognize.

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Ex Libris

What Membership gets you

The archive

The whole shelf, not just this week

Free readers get the last 7 days. Members get every plot and cover puzzle we've ever published. Browse back, pick a date, finish the ones you missed.

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Each weekend we send Members a themed quiz, built from books in your reading orbit. One author, one decade, one genre. In your inbox by Saturday morning.

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Questions, answered

Can I cancel anytime?

Yes. From your Account page, two clicks opens the Stripe billing portal and you can stop renewal right there. You'll keep Member access until the end of the period you've already paid for.

What's it cost, exactly?

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What happens to my streak if I cancel?

Your streak history stays. You can keep playing the daily puzzles for free after cancelling. You lose access to the full archive, the Saturday mega-quiz, and deeper AI search, and you'll see ads again.

Will more features be added?

Yes. We're working on saved reading lists, personalized recommendations, and a reading-history export. Members get all of these automatically as they ship, at the same price. No upgrade or new tier.

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