On Impulse: Reliance Sinclair, #1

· Reliance Sinclair Book 1 · Until It Looks Right
24 reviews
Ebook
387
Pages
Tools
Eligible

About this ebook

Heather Texle launches with a thrilling, non-stop, action-packed novel that is a blend of space opera adventure and sci-fi murder mystery that won the 2023 Minnesota Author Project contest in Adult Fiction. If you enjoy books with a strong female lead, a sass-talking spaceship’s computer, an annoyingly-hot detective who won’t give up, and more action scenes that you can shoot a blaster at, then this book is for you!

When the Department trained me to catch criminals, I never dreamed I’d become one.

Agent. Suspect. Intergalactic fugitive.

I was one of them until I shot my partner in self-defense. Even though the Department cleared me of wrongdoing, my co-workers didn’t agree. They turned their backs on me, so I turned my back on them.

My partner’s actions never made sense. After ignoring my gut for a year, I asked my tech-genius best friend to dig into it. Now Jarrett’s gone dark, and I soon discover he’d been brutally murdered. An officer finds me standing over the body, blaster in hand. Even I admit it looks bad.

There’s no way I can trust the Department to investigate further—not if I'm already the prime suspect. My only option is to run. Is it impulsive? Sure. Will having law enforcement dog me across the galaxy make life difficult? Most certainly. I’ll have to stay one step ahead of them if I want to solve Jarrett’s murder and clear my name.

Doing that will require every trick the Department taught me—and a few I learned on my own.

Click the Ebook button at the top to find out what mystery Jarrett uncovered and to what extreme Reliance will go to in order to bring her friend’s killer to justice.

Heather Texle launches with a thrilling, non-stop, action-packed novel that is a blend of space opera adventure and sci-fi murder mystery that won the 2023 Minnesota Author Project contest in Adult Fiction. If you enjoy books with a strong female lead, a sass-talking spaceship’s computer, an anno...

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Ratings and reviews

24 reviews
ChrisandSarah Cox
August 13, 2025
Riveting! Reliance Sinclair is more authentic and likable than Rachel G Hatch in Drift. Flawlessly written, with world building that is creative and unique while pulling you into the realistic experience. The ancillary characters and additional found family members that appear are so personable that you feel you are there, getting to know them alongside Reliance. Fascinating, terrifying premise. Cannot wait to experience where Reliance goes next.
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Leslie Flinders
July 16, 2025
Excellent story which deserves far more than 5 stars. A murder mystery wrapped up in a high tech Sci fi world of interplanetary space travel. Great!!
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Belinda MacDonald
July 3, 2025
A great read and never did I think I would fall in love with a mechanical cat but this one has an entire space ship's AI for a personality so what's not to love.
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About the author

Heather Texle is an American science-fiction author who writes sci-fi crime novels featuring high-stakes investigations, spacefaring adventure, and complex characters. Her work blends science fiction and mystery into gritty, fast-paced stories with competent but flawed characters facing difficult choices.

She didn’t begin writing until her thirties—proof that it’s never too late to start telling bold, imaginative stories. Inspired by a chance encounter at an author event, she went on to pen her award-winning Reliance Sinclair series, beginning with On Impulse. Drawing on a background in philosophy, law, and martial arts, she brings authenticity and depth to her futuristic worlds.

Heather lives in Minnesota where she’s usually busy plotting her next adventure, whether it involves reading, writing, or traveling.

Learn more at www.heathertexle.com, where you can sign up for her newsletter and receive one of her books for free.

Heather Texle is an American science-fiction author who writes sci-fi crime novels featuring high-stakes investigations, spacefaring adventure, and complex characters. Her work blends science fiction and mystery into gritty, fast-paced stories with competent but flawed characters facing difficult...

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