The Plainswalker Books in Order

The Plainswalker books sit in the lane where military thriller energy meets portal fantasy and LitRPG structure. The result is a series that starts with a clandestine experiment under Marine Base Quantico and quickly opens into a world where the rules of reality have been bent just enough to make everything dangerous.

Peabo Smith is the center of it all. He is a former Special Forces soldier, which matters because these books are not about a hero learning courage from scratch. Peabo already knows pressure, discipline, and risk. What he does not know is how to handle being pushed into a mission that leaves him stranded in a place that looks familiar in broad outline but runs on very different logic.

That shift is the whole game.

In The Plainswalker, Peabo volunteers for a secret operation through STAG, the Special Technologies Analysis Group, and learns far too late what the experiment might cost him. The setup is clean and effective. A man trained for one kind of conflict is dropped into a world that demands a different set of answers, and he has to adapt before curiosity and confusion get him killed.

By The Sage's Tower, the series leans even harder into the strange possibilities of that world. Peabo is no longer just trying to understand where he is. He is confronting what he is becoming. The tower itself is part sanctuary, part trap, part training ground, and the women who control it may be his best chance to survive or the people who turn him into something far more dangerous than he wants to be.

The books use game-like progression in a way that supports the story instead of replacing it. Abilities grow. Limits shift. Power has a cost. That gives the series a strong sense of forward movement while still keeping the focus on Peabo's choices, his body, and the question of how much a person can change before he stops recognizing himself.

It gets weird, fast.

That is a compliment. If you like books where special-operations instincts collide with altered physics, hidden systems, ancient knowledge, and a slow discovery of what the hero's role might really be, this series has a lot to offer. The tone is brisk, the setup is clean, and the world keeps opening wider the longer Peabo is forced to stay in it.