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How Do You Create Suspense in a Story? #IWSG

Alex J Cavanaugh Suspense and mystery

Suspense and mystery are supposedly my bread and butter as a crime writer, but since I started with literary short stories and somehow found my way into crime writing, building suspense is not really my strong suit. This is why I often invite veteran writers to this site, so that I can benefit from their wisdom, and also get it to share it with everyone.

Today, for this month’s post for Insecure Writer’s Support Group , I’m hosting Alex J Cavanaugh so we can all learn from his long years of experience in writing.

Alex J Cavanaugh doesn’t need an introduction to most writer-bloggers, or regular readers of this site. I’ve known him for about a decade now, and we met through the A to Z Challenge. He works in web design and graphics, and plays guitar in a Christian band. A fan of all things science fiction, his interests range from books and movies to music and games. Online, he is known as Ninja Captain Alex and he’s the founder of the Insecure Writer’s Support Group

Today he’s here to share his advice on creating suspense and mystery in a story.

Take it away, Alex!


Mystery and thriller writers are very familiar with creating suspense. They are the foundation of those genres. But to a certain extent, every good story needs suspense and mystery. Otherwise, there is no reason for the reader to turn the page.

Neither genre is in my wheelhouse. Hats off to those who write mysteries and thrillers well. But even I need to add a certain degree of mystery and suspense to my science fiction novels. After five novels and countless short stories, I have a list of techniques that will raise the stakes and complicate secrets.

·       Use locations to your advantage. Give a strong sense of place in each scene and immerse the reader. Don’t just use sinister locations—in order to add suspense, twist things up in happy locations so the reader thinks no place is safe.

·       The main character needs to begin at a disadvantage or be placed at a disadvantage quickly. If the reader knows the character is good to go and can handle it, where is the tension? Throw something at him and make him stumble.

·       Inner conflict is always good. This is a favorite of mine. Make the character struggle with his decisions. Give him a past that goes against what he must do to succeed. Pile on the issues that will cause him pause and wonder in agony, and leave the reader hanging in suspense about the reader’s next course of action.

·       Conceal the characters’ true motivations. Let there be secrets among them. The main character can be led astray by others. He might start second-guessing, wondering, worrying—which means the reader will ,as well. The secrets can be small, and the truth dribbled out in segments, or they can be big, and fall like a bombshell.

·       In the same vein, small revelations up the suspense. A little fact update might change the course of the story or the main character’s plight.

·       For a faster pace, keep sentences and chapters short. Long sentences and big paragraphs have their place, but not when the goal is tension and action. Who cares about the details on the arrow when it’s flying straight at the main character? Think in real time when writing such scenes.

·       Don’t lose momentum with flashbacks. Just like the long sentences and paragraphs, a flashback slows the story. It takes readers out of the moment and into another situation. Flashbacks have their place but use sparingly or the action will grind to a halt.

·       Don’t let situations resolve easily. Tension needs to rise and for more than five minutes. If it’s not very difficult, if the character finds the answer without a struggle, the reader grows bored. It also creates a character who is almost invincible—and completely un-relatable.

·       Characters need to speak more, think less. Tons of internal dialogue kills the pace. If something needs to be revealed, let characters discuss it. Not all the time, but don’t have paragraphs of a character’s thoughts. Inner dialogue is all right, just keep it brief.

·       The hero needs to face insurmountable odds and difficult situations. But do give them some small successes now and then. Something to keep the reader going without losing hope that this character is never going to make it.

·       Pile on the problems and challenges. Not so relentless that it exhausts the reader but keep upping the ante. As I like to say, throw everything but the kitchen sink at them.

·       Sidetrack the hero. Maybe he thinks he knows the answer—but surprise, he doesn’t! Use red herrings to take the character down a rabbit hole.

·       Create intriguing scenes that make the reader wonder. Why is that important? Is there a clue there somewhere? Make sure there really is a clue. Every scene needs purpose in a story.

·       Use suspenseful dialogue. Let characters foreshadow or give warning. Use dialogue to keep the main character on his guard. If he’s suspicious, readers will be suspicious.

·       Force the main character to act or decide. They have no choice but to resolve the problem or issue. They can’t move forward, sometimes physically, unless they do something. The reader feels the same stress as the character, torn by indecision.

·       End chapters in an uncomfortable situation or on a cliffhanger. It doesn’t have to be life or death, just an issue that must be resolved, and the reader must know how. Or it’s a scene that makes the character squirm and readers want to know how he’s going to handle it.

·       Set the timer. Literally, place a deadline in the story. If this doesn’t happen by this time—boom! Working against the clock is an easy way to ramp up tension and keep readers turning pages.

·       Begin each chapter with a sense of urgency. They ended on a cliffhanger, so start them with a situation or problem that must be resolved. Pull the reader into the chapter.

Add many of those elements to the story and it will be suspenseful with a side of mystery!


Alex J Cavanaugh Suspense and mystery

Alex doesn’t just talk the talk, he walks the walk in his latest, CassaDark.

“Cavanaugh returns to the world of his Cassa Series…for a fourth inventive space opera.” – Publisher’s Weekly

More about the book:

His world is unraveling…

Bassan’s father is stepping down from command. His best friend almost dies when Bassan freezes. Now, he’s being sent across the galaxy to speak at an important conference. Despite saving the eleven races years ago, he’s paralyzed by doubt. Could things get any worse?

Once there, new acquaintance Zendar convinces Bassan to visit his planet for a humanitarian mission. Bassan’s special connection to ancient technology is the key to saving Zendar’s people. One problem though—it’s a prisoner planet.

On Ugar, he discovers things aren’t so straightforward. As each truth reveals itself, the situation grows more desperate. If he can’t find the right answers, he might die along with Zendar’s people. Can Bassan summon the courage to be a hero again?

Print – 9781939844842 / eBook – 9781939844859

Science Fiction – Adventure/Space Opera/Space Exploration

Find it on:

iTunesAmazonBarnes & NobleKoboScribdGoodreads


Today is the first Wednesday of the month post for the Insecure Writer’s Support Group.

Founded by the Ninja writing female charactersCap’n Alex J. Cavanaugh, the purpose of the group is to offer a safe space where writers can share their fears and insecurities without being judged. This is a wonderful group–if you aren’t a part of it, I urge you to join in!

The awesome co-hosts for the September 1 posting of the IWSG are Kim Elliott, Melissa Maygrove, Chemist Ken, Lee Lowery, and Nancy Gideon!

I have Alex’s entire series on my Kindle and will re-read the previous books before I dive into this one! What about you–have you read Alex’s books? What’s a book you remember that kept you hanging in suspense? Do you have questions for Alex?


My own crime novel, The Blue Bar will be out this October with Thomas & Mercer. It is already available for preorders. Add it to Goodreads or pre-order it to make my day.
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Damyanti Biswas

Damyanti Biswas is the author of You Beneath Your Skin and numerous short stories that have been published in magazines and anthologies in the US, the UK, and Asia. She has been shortlisted for Best Small Fictions and Bath Novel Awards and is co-editor of the Forge Literary Magazine. Her literary crime thriller series, the Blue Mumbai, is represented by Lucienne Diver from The Knight Agency. Both The Blue Bar and The Blue Monsoon were published in 2023.

I appreciate comments, and I always visit back. If you're having trouble commenting, let me know via the contact form, or tweet me up @damyantig !

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