Shrouded World Books in Order

The Shrouded World series is a collaboration between Mark Tufo and John O’Brien that smashes their separate universes together. It asks what would happen if Michael Talbot from Zombie Fallout and Jack Walker from O’Brien’s Night Runner books were yanked out of their own realities and dropped into a third, even stranger one.

The story begins with both men in the middle of their own apocalypses. Jack is used to a world overrun by nocturnal monsters that were once human. Mike is used to zombies, vampires, and the usual Talbot‑brand disasters. A mysterious event tears them from their families and deposits them, along with John the Tripper, into a landscape that looks a bit like home but is wrong in all the important ways.

In Whistlers and Atlantis, they discover that this shattered world is stalked by new horrors: the Whistlers themselves, eerie creatures whose calls haunt the ruins, alongside familiar threats like Night Runners and undead. Civilization has collapsed here too, but under different pressures, and the rules of reality feel bent. The characters are constantly asking whether they are dreaming, dead, or trapped in some engineered nightmare.

As the series moves through Convergence, Valhalla, Asabron, Bitfrost, Hvergelmir, and Asgard, the scope widens. The titles hint at a mythic layer, and the books deliver on that promise. Ancient powers, broken gateways, and hints of a multiverse at war sit behind the more immediate problems of food, ammo, and not getting eaten.

Jack and Mike are both leaders in their own worlds, but here they have to figure out how to share that load. Their clashing styles – Jack’s more methodical military mindset and Mike’s chaotic, joke‑laden improvisation – create tension and humor while they try to keep a joint group alive. Each man is driven by the same simple hope: find a way back to the people they love.

What ties the series together is constant motion. The group is almost always traveling: across wastelands, into ruined cities, toward hints that Atlantis or other legendary places might hold answers. Old enemies from both original series crop up in new forms, and new allies appear who may or may not be trustworthy.

If you enjoy crossover events where worlds literally collide, Shrouded World offers a long, twisty journey through a realm where Tufo’s and O’Brien’s nightmares blend into something new.