Tag: sci fi

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book promotion book review Book Review books

Free eBook: The Hourglass Paradox – Download Now!

📚 New Release: The Hourglass Paradox, Free Download!

Looking for Fiction, Sci-Fi, Time Travel Adventure short story with a Chrsitian twist?

a book on a background

I’m excited to share my new ebook with you:

The Hourglass Paradox: Destiny is Never Linear

Description:

One woman travels back in time to stop the Beast before he takes the world, and time itself, captive.

Josephine Adam never expected time travel to land her in the middle of humanity’s darkest future. The Beast rules the world, his mark, 666, burned into the foreheads of the obedient, his grip on power absolute.

But Josephine has one chance to change it all. Racing back to the year before his rise, she must stop his coming… before prophecy becomes reality.

Time is slipping away, and so is hope.

“He causes all, both small and great, rich and poor, free and slave, to receive a mark on their right hand or forehead, and that no one may buy or sell except one who has the mark or the name of the beast, or the number of his name.” Revelation 13:16–17, NKJV.”

Reviews


A captivating, inspiring Christian thriller with a dash of sci-fi. The countdown has begun, can Josephine beat the clock? Sharmani Jeyaram, Goodreads ★★★★★


A gripping blend of time travel, suspense, and faith. The Chronos Keeper opens the door to a future where one choice could change everything. Karin Thompsen, Goodreads ★★★★★


Fascinating and exceptional. A prophetic glimpse into evil foretold in Scripture, can one woman alter humanity’s course? Jonathan Wright, Goodreads ★★★★★


Timely and thought-provoking. Raises real questions about AI, prophecy, and a future racing toward the Tribulation. Beverly Vice, Goodreads ★★★★★


Weaves past, present, and future into a story that feels like today’s headlines. Both urgent and unforgettable. Sharli Kaltenbach, Barnes & Noble ★★★★★


A thought-provoking mix of time travel, dystopia, and faith. I especially liked how it balances action with reflection: “the choices we make and their ripple effects” stayed with me. Fast pacing and relatable characters made it hard to put down. Anonymous, Amazon Germany ★★★★★


You are indeed a diligent author. I enjoyed the book. Continue to write good books for us! Anonymous, Amazon Germany
★★★★★


Josephine Adam journeys between 2025 and 2121, facing the Beast in a battle for humanity’s future. Highly recommended! , Tiffany Townsend, Amazon ★★★★★


A creative take on time travel, used to serve the story rather than science. With nostalgia, gods, demons, and correction missions, it blends suspense with spiritual depth. A satisfying adventure across timelines.Kyle Robertson, Amazon ★★★★☆


Fast-paced and stunningly detailed. A short read with real-world weight and a timely message. Jennifer Surdam, Bookbub ★★★★☆
Bold and imaginative, with vivid description and heartfelt storytelling. Blends Revelation, prophecy, and AI into a timely tale that lingers in the mind. Sudipta Nandi, Goodreads ★★★☆☆


The idea of moving through time to change the future is intriguing, though as a novella I didn’t get to know Josephine as deeply as I wanted. Still, the warnings about a centralized global AI government tied to digital ID felt chilling and timely. Patte Fenske ★★★☆☆

✅ How to Download the Ebook for Free

https://storyoriginapp.com/giveaways/3e0542f8-7759-11f0-8633-7fdc58b43427

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Please read, and if you enjoy it, please leave a short review on Goodreads.

📩 How to Leave a review on Goodreads

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Thank you for reading and supporting this journey.

Dr Andrew C S Koh

Categories
book chapter book promotion books

The Hourglass Paradox

Book Chapter: Chapter 3

The Mysterious Ledger

Josephine’s flashlight beam dances over the consoles, each coated in years of neglect. She restrains herself from reaching out to anything in this haunting location, her instincts warning her to refrain.

Instead, she scans the room for answers. If her grandfather kept the key so carefully, he might have left something else behind.

In the far corner, half-buried under a collapsed shelf, she spots a metal box. The lid is dented, its latch rusted. She pries it open with a crowbar, and a dry, musty smell escaped. Inside is a leather-bound ledger, its cover cracked with age. She opens it carefully, the yellowed pages whispering under her fingers.

The first entries are in neat block letters: 

Project Chronos Phase I: Initiation.

Next came detailed diagrams and blueprints of devices and gadgets that looked strikingly like what is in the room. Scrawled notes in the margins catches her eye:

Temporal displacement unstable.
Subject return probability: 72%, unacceptable risk.
Portal window fixed. Destination cannot be chosen.

When she turns another page, her chest tightens. She sees a faded photograph of her grandfather in his younger days. He exuded a more serious demeanor, with his gaze intensely locked onto the camera. Alongside him stood a team of men and women clad in lab coats, their features indistinct with the passage of time. An X had been marked over the faces of two of them.

Her hands quiver with uncertainty, flooded by an overwhelming surge of questions. Could it be that her grandfather was a time traveler? What led to the elimination of those two individuals? What secrets compelled her grandfather to keep this hidden from her? Scrawled on the last page of the ledger, a hurried and jagged note in a different handwriting reads:

If you find this, you are the last link. The key is yours. The Hourglass portal will call to you when the cycle turns.

A sudden metallic clang echoes through the room. Josephine’s head snaps up. Her flashlight beam catches movement, just a flicker, in the shadows near the far wall.

“Hello?” she calls, her voice sharper than she intends. A deafening silence follows.

She steps back toward the door, but the low hum from before returned, vibrating in the floor beneath her boots. This time, it is stronger and seem to pulse in sync with her heartbeat.

Josephine does not know if she is in danger or standing at the edge of something extraordinary.

But she knows one thing for certain, she isn’t going to leave this place! Not yet!

PostScript

🚨✨ Big News! ✨🚨
My new book, The Hourglass Paradox, is now LIVE for preorder, and early readers are already raving!

🌟🌟🌟🌟🌟

📖 “A captivating read which is inspiring… fast-paced Christian thriller with a dash of science fiction.” Sharmani Jeyaram
📖 “Time travel, suspense, family secrets, and a race to stop a sinister regime… I couldn’t put it down.” Karin Thompsen
📖 “An exceptional and fascinating book… Can one woman’s decision change the course of humanity and prophecy?” Jonathan Wright
📖 “Fiction that makes you think about the rapid rise of AI and the coming Tribulation.” Beverly Vice

⏳ The countdown has begun. Will Josephine beat the clock, or be crushed by it?

👉 Preorder your copy today and be among the first to step into the paradox.

🗓 Launch Day: 9/9/2025, be among the first to read it!

🚀 Click here to Pre-order your copy of The Hourglass Paradox for $0.99: https://www.amazon.com/dp/B0FMBLM6L2

📖 Click here to leave a review:https://storyoriginapp.com/reviewcopies/1cc89d94-775c-11f0-94f6-234a56cf98b7

📖 Click here to download a free ebook: https://storyoriginapp.com/giveaways/3e0542f8-7759-11f0-8633-7fdc58b43427

#ChristianFiction #Thriller #NewRelease #TimeTravel #BibleInspired

Dr Andrew C S Koh

Categories
book chapter books

Exploring Hourvault: The Mystery of the Chronos Keeper

Book chapter: The Hourglass Paradox

Chapter 1: Chronos Keeper

In the heart of Hourvault city, tucked behind rows of aging shop houses and a forgotten public park, stands an old forgotten building no one dares to enter. Its walls are cracked and mottled with moss; its windows sealed with rusting steel shutters. The locals call it the Chronos Keeper. The name’s origin is a mystery, like a phantom in the lively world.

The Chronos Keeper carries many stories. Some swear they have seen pale lights flicker through the cracks at night. Others whisper that it has been part of a government project so secret that everyone who worked there vanished overnight. A few, mostly old-timers sitting at coffee shops, claim it is cursed. Some have suggested that it is a place where time is suspended. As a result, most people prefer to circumvent it altogether, often opting to cross the street instead.

Unlike most people, Josephine Adam stands out from the crowd. At thirty-four, she has already built a successful career as a historian and tech executive. She spends her days piecing together fragments of the past from brittle documents and yellowed photographs. 

But the mystery of the Chronos Keeper is unlike any other; it cannot be resolved from behind a desk. From her teenage years, she feels a strong curiosity about it, but she never has the chance to explore beyond its locked gates.

The arrival of her late grandfather’s key changes everything. It comes in a small, battered envelope, slipped into her mailbox without a note. She immediately recognizes her late grandfather’s neat and deliberate handwriting on the outside. The postmark is not clearly visible. Her hands tremble as she slides the key out into her palm. It is heavy, bronze, and ancient, with intricate carvings along the bow.

She clearly remembers the key from her last meeting with his grandfather, two weeks before his sudden, untimely demise. He was sitting in the porch in the fading evening light. He looked at her with a strange, knowing expression.


“Josephine,” he said, “one day, you’ll understand where you come from. And where you might go.”
At that time, she has brushed it off as one of his cryptic musings. Now, with the cold weight of the key in her hand, she isn’t so sure.

That night, she dreams of the Chronos Keeper. She dreams of walking down a corridor lined with glass panels, behind which a strange machinery hummed and pulsed with lights. Somewhere deep inside, she hears a low, rhythmic thrum, like the heartbeat of the building itself.

The next morning, she finds herself standing at the gate of the Chronos Keeper. The key fits the padlock as though it has been waiting for her all along.

As the lock clicks open, a gust of cool, stale air drifts out, carrying with it the scent of metal and dust. Josephine takes a deep breath as she passed through the gate. The gate swings shut behind her with a sound that echoes far longer than it should have.

Dr Andrew C S Koh

Categories
book launch books

Join the Race Against Time in The Hourglass Paradox


🚨 NOW ON PRE-ORDER! 🚨

mock up image of a book, the hourplass paradox, by dr andrew c s koh

My brand-new time-travel thriller, The Hourglass Paradox, is on pre order now. You can grab it today for just $0.99!

🗓 Launch Day: 9/9/25, be among the first to read it!

📖 Pre-order here:

https://www.amazon.com/dp/B0FMBLM6L2

Let’s step through the Hourglass portal together, before time runs out.

⏳ Mystery, Fiction, Sci Fi
⚡ Action, Time Travel
🔥 A race to stop the rise of AI, the Beast, and a one-world government. A future ruled by the Beast. A past running out of time. 

📚 BONUS: Pre-order now and get a FREE The Hourglass Paradox ebook gift. You can read it right away without waiting for the launch date. Please prepare a review and upload it to Amazon or Goodreads, on or before the launcn date.

📖 Pre-order here:

https://www.amazon.com/dp/B0FMBLM6L2

Show proof of purchase of pre order by screenshot or order number and e mail it to info@drandrewcskoh.com, and you will receive your free gift.

Let’s step through the Hourglass together, before time runs out.

Synopsis

One woman travels back in time to stop the Beast before he takes the world, and time itself, captive.

Josephine Adam never expected time travel to land her in the middle of humanity’s darkest future. The Beast rules the world, his mark, 666, burned into the foreheads of the obedient, his grip on power absolute.

But Josephine has one chance to change it all. Racing back to the year before his rise, she must stop his coming… before prophecy becomes reality.

Time is slipping away, and so is hope.

Dr Andrew C S Koh