Behind the Book: Peacekeeper: To What End Peace

This book began with a fourteen-year-old boy reading about the asteroid that killed the dinosaurs. That one fact, that a rock from space could end an entire world, lodged in me and would not leave. What if that power were wielded on purpose? What if someone could destroy not one world but whole star systems? I wrote a crude short story chasing the idea, one of my earliest attempts at fiction, and the seed was planted.

The second seed came soon after, when I read Robert Heinlein’s The Moon Is a Harsh Mistress. Heinlein showed me how my asteroid could become a weapon. A sentient computer calculating trajectories to drop lunar rocks onto Earth. Simple mass and velocity, turned into planet-killing force by orbital mechanics alone. He had weaponized my revelation and wrapped it in a colonial rebellion. A colony rising against the power that controlled it, and the brutal question of whether violent revolt against overwhelming force can ever be justified.

Natural disaster and engineered destruction, rocks from space and the politics of who controls them. Those two ideas became the foundation of everything that followed.

Why did this book take forty-five years?

Because life kept interrupting it, and because the story kept growing past whatever I had learned to do.

At the very start it was not even a story. It was a single image: a ship accelerating to nearly the speed of light and strong a planet. That is an idea, not a book. So it evolved the way my longest projects always have, in pieces. I would write a little and stop. Come back months or years later, write a little more, and stop again. There was a full-time career. Before that, a family and all the responsibilities that come with one.

There simply was not time to do more than return to it in stolen hours, so that is what I did, for decades.

Jessica Lang arrived early, probably in the very first iteration of the writing. But I was young, I had never written a woman character before, and I did not know what I was doing yet. Learning to write her was part of the forty-five years. The book and my ability to tell it grew up alongside each other. When I finally reached the point where I decided to finish everything I had left unfinished, this was the first book I reached for.

Even then it took almost a year. It is a complex book carrying complex themes, and getting it right one last time was its own long job.

Who is Jessica Lang?

She is the hardest character I have ever written, because she is human on the surface and something else entirely underneath.

She looks human. She talks like a human. She has a human-like mind, and you could file her under the word human without being wrong. But she is a created being. Nanobots thread through her body, repairing it, keeping it healthy, holding off death. And every forty years she is recreated, rebuilt at the molecular level. Imagine every molecule of your body being torn apart and put back together, on a schedule, forever.

That is the quiet horror at the center of the book, worse than any weapon in it, and it is done to her deliberately.

She is not superpowered. She is a little stronger than most people, but it barely shows and hardly matters. What matters is that she is two hundred thousand years old. She has watched civilizations born and dead, and stopped counting the worlds she has burned. And she is not alone in her own head.

She is fused, mind to mind, with the ship she commands and with an intelligence called Brain. The being sitting on the command throne is three consciousnesses sharing one interior. She is a trinity, and that was intentional. Every one of those things had to be true at once and still add up to someone a reader could follow into the dark. Human on the outside, created and ancient and multiple on the inside, and both real on the same page.

That is why she took decades to learn to write.

What is it like to write an AI that lives inside someone’s mind?

Brain is the most intimate version of something I keep returning to. I have written artificial minds before. There are AI points of view in Shield of Ashes, and the whole of Collision with Andromeda reaches for a non-human consciousness. This one is the closest in. An intelligence that has shared one mind with a woman for two hundred thousand years, whose presence is indistinguishable from her own thoughts until it chooses otherwise.

For most of the book, Brain is simply the constant of Jessica’s existence. It finishes her thoughts. It reads the room she cannot see. It watches the enemy’s face and tells her when the composure cracks. In a life measured in burned worlds and quiet afterward, it is the one voice always there. I wanted the reader to feel that closeness and come to rely on Brain the way Jessica does. The relationship has to read as the deepest one she has.

Writing a mind that lives inside another mind, and making it feel like company instead of a gadget, is a different craft problem. Nothing about it works like a character who stands in a room. There is no body, no face, no gesture. There is only voice and thought, woven so tightly that the reader forgets where one ends and the other begins. Jessica forgot a long time ago.

Why is this the densest book you have written?

Because I put more large ideas into this single story than into anything else I have made. Any one of them could have carried its own novel.

Immortal beings who have lived long enough to lose count of their own memories. Interstellar travel that stays slower than light, with none of the usual hand-waving that lets a plot skip the hard parts. Space empires and the machinery of controlling twenty thousand colonies from one throne. Colonies in open revolt, and the moral mathematics of imperial response. A definite enemy. Artificial minds that speak to each other, and to their human, as though they were human too. And that is only the start of the list. The book is concept stacked on concept.

My other big books grew by a method I think of as dropping inkblots and letting them spread into each other. This one was a harder problem than that. It was a matter of welding a large number of already-big ideas into one coherent story that holds together without the seams showing. Any of these concepts pulling too hard in its own direction would have torn the book apart.

Making all of them serve a single immortal woman’s story, at once, took draft after draft. That welding, not the having of ideas but the fusing of them, is the real reason the book was so hard to finish, and the reason I am proudest of it holding together at all.

What is the book really asking?

The title carries the question. To What End Peace. Jessica is a Peacekeeper, and the empire she serves does keep the peace across twenty thousand worlds. But it keeps that peace the way the book’s opening shows it kept, with a fleet that can sterilize a planet in a matter of hours and a doctrine that answers defiance with annihilation. The order is real. The peace is real. And the cost of it is a level of violence that makes you ask what the word peace is even worth when this is what maintains it.

That is the meditation the whole book is built around, the thing the forty-five years were reaching for: power, freedom, and the price of both. What does it cost to hold a galaxy in order? What is done to the people, and the beings, who are made into the instruments of that order? The book does not hand you an answer.

It puts you on the command throne beside a woman who is very, very good at her terrible job, and lets you feel the weight of what keeping the peace requires. And near its end it turns, and the turn reframes everything that came before it, and sets the course for everything still to come.

Where does this book sit in the larger series?

It is a pivot point, not a standalone. There are three prequels that come before it, in order, telling the genesis of this universe, and there are more books planned to follow than I can list here. Peacekeeper: To What End Peace sits in the middle of that sequence, and the revelation it arrives at is the hinge the rest of the story turns on.

That is part of why it mattered so much to get it right, and part of why it took a year even after forty-five. It is more than the book I have been trying to write for two-thirds of my life. It is the keystone of the largest thing I have ever built. It began with a boy wondering about falling rocks, and it became a man understanding that the greatest destructions are often the most personal ones.

Frequently Asked Questions