Dr Andrew C S Koh

The clock is ticking. and the future is in her hands. In the year 2025, Josephine Adams inherits an old brass key from her late grandfather, a key to the Chronos Keeper, a long-abandoned facility whispered about in conspiracy circles. Inside, she discovers an Hourglass portal that hurls her into 2121, a time when artificial intelligence rules the world, humanity has bowed to a one-world government, and the dreaded Mark of the Beast is more than prophecy.
it's reality. But the timeline isn't set in stone. Returning to her own time, Josephine has one chance to rewrite history and stop the rise of the Beast before it begins. Pursued by enemies in both centuries, she must outwit AI surveillance, unravel her family's hidden past, and decide just how far she's willing to go to save humanity. A pulse-pounding blend of time travel, end-times prophecy, and high-stakes suspense, The Hourglass Paradox will keep you turning pages late into the night.
If you enjoy fast-paced Christian thrillers with a dash of science fiction, you'll love this gripping novella. The countdown has begun. Will Josephine beat the clock, or be crushed by it?