How do bestselling authors know when an idea has the muscle to carry a novel… or even an entire series? No writer wants to spend years drafting a book only to discover the premise isn’t compelling enough to stand out in today’s ruthless market. So how can you tell if your idea has legs?
Test 1: The Golden Triangle Test
In the publishing industry, editors look for one thing above all: a crisp, irresistible high‑concept premise that pitches itself. But how do you know if your idea qualifies?
Here’s an empirical approach: share your premise casually at a social gathering or on social media. Say something like, “A friend told me about a book with this cool idea, have you read it?” Then offer only the gist of your premise, a hook designed to intrigue.
Watch their reaction. Do their eyes light up? Or do they politely change the subject? A high‑concept idea should trigger an immediate emotional response, and there’s science behind that.
Research shows that gripping stories release a blend of neurochemicals known as the Angel’s Cocktail:
- Dopamine from mystery and suspense
- Oxytocin from emotional connection
- Endorphins from humor and delight
To create an addictive reading experience, your story must activate all three. That means finding the mental sweet spot where three human superpowers meet: curiosity, empathy, and imagination. I call this the Golden Triangle of Storytelling, a concept I explore in my writing guides.
If I had to summarize it in one sentence: The mystery pulls you in; the characters and the world make you never want to leave.
- You trigger curiosity by creating a mystery and managing information gaps, revealing key truths gradually, intentionally, at moments of heightened dramatic intensity.
- You trigger empathy by making readers care about your characters, often by placing your protagonist in a challenging or seemingly impossible situation.
- You trigger imagination by transporting readers into your fictional world, not with long descriptions, but with enticing glimpses of a larger reality beyond the page.
The Golden Triangle applies to your premise just as much as to your full novel. Ask yourself: does your idea spark curiosity, empathy, and imagination? If it triggers at least one, it may have potential. If it triggers two or all three? Congratulations, you may have the seed of a great story!
Examples:
- Good Omens: An angel and a demon team up to stop the Apocalypse. Triggers curiosity and imagination.
- The Martian: An astronaut is stranded alone on Mars and must survive until rescue arrives. Triggers curiosity and empathy.
- Jurassic Park: Scientists resurrect dinosaurs and open a theme park. Triggers imagination and curiosity. What could possibly go wrong?
- Coraline: A lonely girl discovers a secret door leading to a perfect copy of her home… but the magical world is a trap designed to steal children’s souls. This premise triggers all three: curiosity, empathy, and imagination.
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Test 2: Does the Idea Play to Your Strengths?
If your idea passes the first test, move on to the second: how confident are you that your execution will do justice to the premise? Are you passionate enough about this topic to write an entire novel about it? Do you have sufficient familiarity with the genre and subject matter?
Of course, you don’t need to be an expert to write about a topic. “Write what you know” is one of the most common, persistent, and—frankly—dangerous pieces of writing advice. It’s passion that sustains a novel, not formal education or professional experience. Research fills the gaps. In fact, many iconic works of fiction were written by authors with no background in their subject matter.
Mary Shelley had no scientific training when she wrote Frankenstein. Jules Verne wasn’t an engineer, yet he imagined submarines, spaceships, and technologies far ahead of his time. Agatha Christie had no experience in law enforcement or criminal psychology; her only relevant knowledge came from working as a volunteer nurse during World War I. She certainly didn’t know the intricacies of police procedure.
Tom Clancy sold insurance while writing The Hunt for Red October… And thank goodness he didn’t follow the “write what you know” rule. Hilary Mantel wasn’t a historian; she worked as a social worker and then a shop assistant before becoming one of the most celebrated historical novelists.
That said, you still need the motivation to research. Authenticity matters. Don’t rely blindly on AI or quick internet searches; you may need books by experts, primary sources, or even research trips. When I was researching my second novel, I read multiple guides and essays on the historical period, traveled to the locations in France and Italy where the story takes place, and spoke with local historians to get the details right.
“Write what you know” is useful only in one sense: write from the human experiences close to your heart. Tolkien never wrote a trench memoir, yet the trauma he carried from World War I permeates his work. He transmuted lived experience into myth. He wrote from emotional truth, not technical expertise in warfare.
In summary: write what you feel, research what you don’t know, and let your imagination do the rest.
Here’s a simple test. Write down your story idea, set it aside for a few days, then return to it. Does it still ignite your imagination? Are you emotionally invested in the subject matter? Can you envision at least three scenes in vivid detail?
In fact, if your idea is good, you won’t even need to write it down. It’ll stick with you, follow you around, pop into your thoughts, and haunt you until you either give in and write the book or stumble onto an even better idea.
If your premise passed the first two tests, don’t pop the champagne just yet… there are still two more to go.
Test 3: Is This the Right Story for Your Readers?
Knowing your audience is essential, I can’t overstate this. Will they care enough about your premise to invest hours in your book? Is the idea strong enough to sustain their interest through an entire novel, or is it better suited to a short story or novella?
One of the most important habits for any writer is simple: read widely. Read at least a dozen novels in your genre. Read outside your genre. Read classics. Read recent releases, especially the books your audience is talking about.
The more you read, the easier it becomes to come up with ideas and judge whether they are marketable to your readership.
Test 4: Can Your Idea Carry a Full Novel?
So how do you know if your idea can carry a full novel? Ask yourself whether the premise creates conflict and opens multiple pathways for escalation. Take Good Omens as an example: An angel and a demon team up to stop the Apocalypse.
Conflict:
- Natural enemies forced to work together: tension guaranteed
- They must hide their alliance from their superiors
- They must confront cosmic forces determined to bring about the Apocalypse
Escalation Pathways:
- Their friendship strains under pressure
- The Antichrist grows more powerful
- Heaven and Hell discover their betrayal
- Human free will disrupts divine plans
These are just a few possibilities; the premise generates dozens more. That’s the trait of a story idea with long‑form durability.
If your idea passes all four tests, congratulations! You’re off to a strong start. The next step is to turn that raw potential into a solid story outline.
Check out my post on story outlining and plotting; the methods I share there can save you a lot of time and help you bring out the full power of your premise. So, do you have a favorite method for testing your story ideas? Share it in the comments. I’d love to hear about your experience.
If you’d like to support my work and see more articles and videos like this, check out my books. Learn more about the Golden Triangle of Storytelling and my 4Ps Method in my recently published guides Trust Your Story and the Natural Laws of Story.
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