
MARS · 2347
A STELLAR UNIVERSE NOVEL
STELLAR GRIT
The future solved almost everything. It still can’t tell you what a life is for.
Humanity has learned to rewrite the human body. Riko Santoro never did. At thirty-one, the Martian life-support fitter is already old for a baseline fighter and worn by both of his trades. Then he is offered three rounds against Zerak Dray, the greatest enhanced champion alive.
COMING AUGUST 24, 2026

What makes a human life worth something?
THE NOVEL
HE NEVER WANTED TO BECOME AN ARGUMENT.
In 2347, humanity has pushed disease back, slowed aging, and made biological limitation increasingly optional.
Riko Santoro is still baseline.
On the working levels of Mars, that doesn’t make him a hero. He’s a life-support fitter, a veteran Vector fighter, a neighbor, a student who became a teacher, and the last man likely to think any of that makes him special.
Then a sanctioned exhibition offers him three rounds against Zerak Dray, the greatest enhanced fighter alive.
To the wider Solar System, the match becomes something larger than either man: the optimized human body against the unedited one.
Riko wants none of that.
But the people he loves are losing things he cannot fix with a wrench, and the fight offers money, attention, and one last chance to prove that a man like him is still worth keeping.
Zerak isn’t a villain.
He’s disciplined, gracious, brilliant, and almost exactly what humanity hoped it could become. Which makes the question harder.
Stellar Grit is not a story about grit defeating science. It’s about what remains when capability has taken humanity almost everywhere it ever wanted to go.
SOMEBODY HAS TO KEEP THE AIR MOVING.
In The Stellar Universe, civilization still depends on people who know how to repair what breaks, carry what is heavy, stay when leaving would be easier, and make room at the table before they know who is coming.
BEYOND STELLAR GRIT
THE STELLAR UNIVERSE
It is 2347.
Humanity has spread across the Solar System and not one inch beyond it.
There is no faster-than-light escape. No alien civilization waiting to receive us. No final answer hidden among the stars.
Humanity went looking outward and found itself.
Disease is largely conquered. Aging has slowed. The human body can be edited in ways earlier generations would have called impossible.
Science delivered almost every how humanity asked of it.
The why never came in the box.
The Stellar Universe tells stories about the people living inside that gap: workers, fighters, pilots, doctors, families, believers, skeptics, and everyone in between.
Stories about capability and limitation. Purpose and inheritance. Sacrifice. Belonging. Doubt. The things we can change, and the things we may not know whether we should.
Stellar Grit is the first novel in The Stellar Universe.

STELLAR GRIT
A STELLAR UNIVERSE NOVEL
MICHAEL MAYFIELD
Humanity has learned to rewrite the human body.
Riko Santoro never did.
On the working levels of Mars, the thirty-one-year-old life-support fitter and veteran baseline fighter is offered three rounds against Zerak Dray, the greatest enhanced champion alive.
To everyone watching, the fight becomes an argument about what humanity should become.
To Riko, it is something much more personal.
COMING AUGUST 24, 2026
THE AUTHOR