Adam-Troy Castro's fiction has won the Seiun and Philip K. Dick Awards, and received two nominations for the Hugo, three for the Stoker, and eight for the Nebula.

Andrea Cort 1 - Emissaries from the Dead by Adam-Troy Castro

On the border of the Illhari Republic...

The place is One One One, a gigantic enclosed space station constructed by the AIsource, a mysterious software collective that may be the most advanced, most powerful creatures in the known universe. They have seeded the world with creatures of their own devising, and invited a delegation of human beings to observe. But now the little research community has been rocked by murder...and it appears that the AIsource may be playing a deeper game.

Enter Andrea Cort. Prosecutor. War Criminal. Misanthrope. Genius. She has been sent to get to the bottom of these heinous crimes. But she is facing enemies both human and more than human...and the solution to the mystery just might change her very relationship to the world she knows...

CURATOR'S NOTE

I love science fiction mysteries, and this trilogy has everything from ancient weapons to giant habitats and alien AIs! With the first novel picking up the Philip K. Dick Award to boot, you know you're in for a treat! – Lavie Tidhar

 

REVIEWS

  • "[The Andrea Cort] series really is something special… These books are compulsively readable space mysteries, but they're also hiding little packets of cleverness and substance under the surface. Highly recommended."

    – io9
  • "…Fully successful as both science fiction and murder mystery."

    – SciFi Weekly
  • "A uniquely absorbing read. It envelops you in a truly exotic and alien environment, and gives you a heroine to root for."

    – SF Reviews
 

BOOK PREVIEW

I've never been a fan of natural ecosystems.

I know they're romanticized. They're great for people who like to swat bugs, step on feces, and catch strange diseases, an odd subsection of humanity that has never included myself. I grew up in urban orbital habitats and pretty much know better. But even I must admit that natural places evolve by accident and therefore can't be blamed for their high level of unpleasantness.

Artificial ecosystems, engineered by sentients who know we're better than that now, are just plain perverse.

The cylinder world One One One was an eloquent case in point.

It was so wrong, in both concept and execution, that it exalted even the most appalling messes arranged by Nature. Like most constructs of its kind, it rotated at high speeds to provide its internal environment simulated gravitational pull away from its axis of rotation. That's just basic engineering, so old that dumb old Mankind considered it a brilliant idea long before we went into space and put the basic idea into practice. But most cylinder worlds orbit planets, or hang around inside solar systems, and are built by sentients who evolved on planets to support life that likes to walk around on a solid surface, even when that solid surface has a horizon that curves up on both sides. As a result, they house their habitats on the surface that best approximates planetary notions of Up and Down: i.e. the outermost "floor."

On One One One, the independent software intelligences known as the AIsource had turned that usual model upside down. The station itself was situated in deep interstellar space, a good twenty light years from the nearest inhabited world, and far from any of the territories claimed by any of the major spacefaring species. We never would have known about it if they hadn't given us the address. Its habitable interior centered on an Uppergrowth of knotty vegetation clinging to the interior station axis. The crushingly dense lower atmosphere was a poisonous soup of thick toxic gases above a sludgy organic sea. Only the upper atmosphere, near the central hub, was a thinner oxygen-nitrogen blend of the sort congenial to the life forms the AIsource had engineered.

The AIsource determination to get into the God-in-a-bottle business struck me as quixotic at best and insane at worst. And pointlessly grandiose, as well. The average human cylinder world is about ten kilometers long by two kilometers in diameter, which strikes me as a compact, manageable size that shows a little sense of humility in matters of cosmic scale. There are some leviathans, like my base of operations New London, of up to ten times that size. All right, so we need big cities. But this place, One One One, was approximately a thousand times longer and some fifty times fatter than even New London: pretty excessive for the housing of a few brachiating apes who had to spend their entire lives clinging to bio-engineered vines. It defined the concept of inexact fit.

Either way, it was an upside-down hell.

Even as the sleek AIsource transport ferried me into the Habitat, I mentally catalogued everything I found disturbing here. The storm clouds far below were like a roiling brown cauldron, flashing with sudden light whenever charged by the violent forces at their heart. The giant winged things who sometimes ventured above those were like dragons out of a bad fairy tale: their wingspans up to two kilometers across, the force of their flight leaving entire storm systems in their wake, their sudden screeching dives into the opaque clouds acts of epic predation on creatures nobody flying at my current altitude had ever seen.

I'd been assured that the dragons never ascended as high as the the Uppergrowth latitudes. I'd also been advised not to bother thinking about them, as they had nothing to do with the reason I was here.

It was like that old joke: Don't think about the elephant.

(But it's there.)

Don't think about it and it'll go away.

(But it's there.)

You're still thinking about it.

And so on.

The Uppergrowth, dotted here and there with the sluggish forms of the Brachiators, was a vast gray surface knotted with vines, that loomed over this world like a hammer waiting for the best opportunity to fall. The thick black pylons that, every hundred kilometers or so, descended from that Uppergrowth into the cloudscape, anchoring at their apparent midpoints the glowspheres that served as One One One's suns, looked far too flimsy to hold such balls of corruscating fusion. The glowspheres themselves cast a light harsh enough to burn purple afterimages on my retinas, and there were so many of them that my transport cast multiple, competing shadows on the Uppergrowth above me.

I regarded it all with my usual grim reserve, dimly aware that I'd fallen back into a nervous habit that had plagued me for years. It involves using one index finger to twirl the single lock of long, black hair dangling from the right side of my head. Since the rest of my hair is cut very short, the many people who hate my guts like to say I keep that lock long to feed the tic and for no other reason. I know the habit drives people to distraction and therefore practice it whenever I can. I'm too uncomfortable in the presence of others to tolerate their comfort in mine.

The flight might have been bearable if the transport had been properly enclosed: but no, it was a roofless model, protected against precipitation and wind shear by ionic shielding, offering a ride so smooth that had I closed my eyes I wouldn't have experienced any sense of motion at all. But I knew I was not enclosed. I knew that given just one moment's suicidal madness, it would have been all too easy to hop over the waist-high bulkhead and plunge to my death. I knew it and I could not ignore it.

Just as I knew that somebody in this Habitat was a murderer.

Excuse me: somebody else.

I always forget to count myself.

The transport interjected: Andrea Cort: are you suffering distress?

"Yes. How did you know?"

Your blood pressure, heart rate, and respiration all reflect tension levels consistent with the early stages of panic.

"I didn't know you were paying such close attention."

You are our guest and your health, when in our care, is paramount. Would you like some medication?

"No."

Some therapeutic conversation, then?

I'd spent years enduring therapy I didn't want, receiving medications that didn't help, having my brain mapped at every scale down to the molecular in search of answers that didn't exist. If it accomplished anything at all, it was instilling a lifelong aversion to sentients who meant well. "No. Maybe later."

You would not be the first human being to experience difficulty in this environment. Help is available.

"No thank you."

The transport respected my wishes enough to shut up, thus demonstrating one major difference between software intelligences and human beings.

Human beings intrude whether welcome or not.