About the book In the shadows of ordinary life, Jack, a dedicated construction site supervisor with a passion for caving, stumbles upon a time travel device that thrusts him into the whirlpool of history's mysteries. As he ventures through different eras, finding the hidden flaws in our past, Jack’s life transforms into an unending mission to safeguard the timeline. Yet, Jack is not alone in his quest. A formidable force, lurking in the dark corners of time, has discovered his secret. What began as an innocent adventure turns into a high-stakes battle between light and darkness. As the fabric of history hangs in the balance, Jack must navigate treacherous alliances and face his greatest fears. Will Jack protect the timeline or will the shadowy adversary alter history forever?