Why You Shouldn’t Switch Genres Mid-Novel
Imagine sitting down to watch a horror movie.
The lights go down. The tension builds. The story pulls you in.
Then halfway through… the characters suddenly start singing.
The horror movie has become a musical.
You’d be confused. Probably annoyed. Maybe you’d even walk out of the theater.
That’s exactly what happens when writers switch genres halfway through a novel.
And unfortunately, it happens more often than you’d think.
The Problem With “Frankensteining” a Novel
Some writers call this “Frankensteining” a story.
It happens when a writer starts with one idea—then halfway through comes up with a new one.
For example:
You begin writing a detective mystery set in Mexico, following a police investigator solving a murder.
Two hundred pages later, you suddenly get excited about a completely different idea: an action thriller set in London about a stolen painting.
Instead of rewriting the first part of the book, you try to combine both ideas into one story.
Now you’re trying to figure out:
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how the detective ends up in London
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why the tone suddenly shifts
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why the mystery turns into an action thriller
The result is a novel stitched together from two completely different ideas.
Readers feel it immediately.
The tone changes. The goal shifts. The story loses its center.
Changing Locations Is Fine — Changing the Story Isn’t
A story can travel anywhere.
Take James Bond for example.
Bond moves from country to country throughout his adventures.
But the mission never changes.
He’s still a spy.
He’s still chasing the same villain.
The tone of the story stays consistent.
Changing location isn’t the problem.
Changing the core identity of the story is.
Why Writers Do This
Most of the time, it comes down to something very simple:
A new idea appears—and it feels more exciting.
Suddenly, the original story feels boring.
But the writer has already written hundreds of pages and doesn’t want to start over.
So instead of rewriting the beginning, they try to force the new idea into the existing story.
That’s where the trouble begins.
Soon, the writer is spending more time trying to stitch two unrelated stories together than it would have taken to simply rewrite the first draft.
When Research Becomes a Trap
Another version of this problem happens when writers gather new information while writing.
Maybe you’re writing a novel set in Ancient Egypt and spend months researching the time period.
Halfway through the draft, a new idea hits: a story set in modern-day Egypt.
Now you’re tempted to keep both.
You try squeezing your ancient history research into a modern story—or bouncing between time periods without a clear plan.
The story becomes confusing, and readers begin wondering what the book is actually about.
One Practical Rule That Saves Writers
Here’s a simple rule many professional writers follow:
Finish the story you started.
If a brilliant new idea appears while you’re writing:
Write it down.
Save it for your next novel.
Your notebook can hold a hundred great ideas.
But your current story deserves your full attention until it’s finished.
The Truth About Rewriting
No writer enjoys rewriting.
The excitement of the first draft is hard to beat.
But rewriting is where good novels become great ones.
In fact, the biggest difference between amateur writers and professional writers often comes down to one thing:
Professionals are willing to rewrite.
They know a strong story requires shaping, tightening, and sometimes starting parts over.
Trying to patch together two different novels rarely works.
Finishing one story properly almost always does.
A Simple Way to Think About It
If you start writing a mystery…
Finish writing a mystery.
If you want to write an action thriller, a romance, or a science-fiction adventure—
Write that as your next book.
Great novels feel unified because the writer stayed loyal to the original idea from beginning to end.
And readers can feel that focus on every page.
You might be interested in these blogs:
IF YOU CAN TELL A JOKE YOU CAN WRITE A NOVEL
WHICH PART OF YOUR NOVEL DO YOU START WRITING FIRST?
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