Books

Uprising – Operation Z – Book #1

The dead have risen, and they’re hungry for human flesh. Who can survive the uprising?

Donald Bishop thought he could rebuild his life by returning to a childhood passion, baseball. The night started off so well, when he met a pretty divorcee and her son at the game. They agree to extend their evening together with a night on the city.

As soon as they stepped outside of Fenway Park, a night of pleasure turned into raw terror. Hungry zombies chase them through the city, trapping them in an alley. One bite or scratch and they’ll join the undead.

Uprising is a firsthand account of the start of the zombie apocalypse and book one in the Operation Z series. If you like fast-paced action, zombie gore, and survival thrillers, then you’ll love G. D. Szepanski’s post apocalyptic zombie adventure.

Buy your copy of Uprising and experience the terror of the zombie hordes today.

Everyone Dies – Operation Z – Book #1.5

A summer vacation in DC. The start of the Zombie Apocalypse! Who will survive?

James Richards and his fiancee Melody visit Washington DC on a typical summer vacation. They take in the typical tourist sights and even catch a Nationals’ baseball game. Little did they know the rise of the dead would interrupt their vacation and the dead are hungry! Can Big Jim and Melody make it out of the crowded city and to safety, or will they find out everyone dies?

Everyone Dies is a firsthand account of the start of the zombie apocalypse in the Operation Z series. If you like fast-paced action, zombie gore, and survival thrillers, then you’ll love G. D. Szepanski’s apocalyptic adventure.

Retribution – Operation Z – Book #2

An immune survivor could mean the end of the zombie apocalypse. If the man who couldn’t die can avoid death.

Michael Christopher thought the ugly wound on his arm meant certain death. People who wrestle with the undead end up walking with them. If he had a gun, he would have ended his life. No more misery.

The walking dead surround him, looking for retribution for their failed attack. Michael’s immunity won’t keep him from being shredded, and he wants to live. If only everyone else hadn’t died.

 Retribution is book two in the Operation Z series, written as a firsthand account of the zombie apocalypse. If you like post-apocalyptic zombie survival stories, then you’ll love G. D. Szepanski’s book. Grab your copy, today!

Shattered – Operation Z – Book #3

In a world ravaged by the undead, survival isn’t just about brute strength—it’s about the will to keep humanity alive.

Big Jim Richards thought he had seen it all. But as he fights to maintain a fragile order in a chaotic new reality, he’ll face threats that challenge not just his leadership, but his very soul. Flesh-eating monsters lurking in every shadow, nature itself turning against the survivors, and ruthless raiders eyeing their hard-won sanctuary.

Just when hope seems within reach, an old enemy emerges from the ashes of the past, threatening to topple everything Jim and his people have built. With the farm—and the future of humanity—hanging in the balance, Jim must confront a chilling truth: in this world, everyone dies eventually. But will it be on their feet, or as one of the undead?

“Shattered” is the third installment in G. D. Szepanski’s Operation Z series. Told as a firsthand account of the zombie apocalypse, this novel thrusts you into the blood-soaked trenches of survival. 

If you crave pulse-pounding action, gut-wrenching zombie encounters, a raw, unflinching look at human nature in crisis, and characters you’ll root and mourn for, then you’ll devour the pages of this zombie apocalyptic thriller. Grab “Shattered” now and ask yourself: How far would you go to stay human in a world gone mad?

Dead Summer – Operation Z – Book #4

The message on the radio promised salvation from the zombie apocalypse. Would they find safety after the siren sounds? 

Anna and her mother hid inside their home while flesh eating monsters roamed outside. Their food and water stores reached their end. They sat with no power, no weapons, and no hope. Anna fiddled with an old battery powered radio, but the same message played endlessly on every frequency. A message of deliverance from their death sentence.  

When the alarm sounds will they find the help they hoped for? Salvation or a fate worse than the zombies?

Dead Summer is fourth story written in the Operation Z world during the zombie apocalypse. If you liked the Walking Dead, or other fast-paced zombie apocalypse stories, then you’ll enjoy G.D. Szepanski’s story.

Buy Dead Summer to experience Anna’s story today! 

Dead Autumn – Operation Z – Book #5

Those who trusted in the government’s promised oasis from the zombie apocalypse found only death and want. Can Anna find hope in a hopeless world?

In this post-apocalyptic world, Anna, a twelve-year-old orphan, has lost everything she once knew. She struggles to stay alive amidst a landscape overrun by zombies and other survivors, where death and destruction are the norm. Every choice Anna makes could be the difference between survival and succumbing to the surrounding dangers.

Dead Autumn is the fifth story in the Operation Z world. If you liked the Walking Dead, or other fast-paced zombie apocalypse stories, then you’ll love G.D. Szepanski’s story.

Buy Dead Autumn to continue the story of the apocalypse today!

The Crimson Chronometer

Unlock the Ultimate Power Over Time – But Beware the Deadly Cost


Dr. Amelia Hart, a brilliant physicist, stumbled upon an ancient artifact harboring an incredible secret during a late night experiment. The device could propel its bearer into the future. But with each glimpse into tomorrow, Amelia’s health pays a price.


The Temporal Syndicate, an insidious organization, hunts her down after detecting a time anomaly. They will stop at nothing to seize the Chronometer’s powers and control the flow of time itself. With the fate of the world hanging in the balance, Amelia must confront the agonizing choice: continue her time-defying journey at the cost of her own life, or allow the forces of evil to take control of time.


If you like fast-paced time traveling adventures with moral dilemmas, then you’ll love G. D. Szepanski’s time travel story. The Crimson Chronometer is a standalone story.


Grab your copy of the Crimson Chronometer today! The future has never been so perilous…or so precious.