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Basit Deniau's houses were haunted to begin with.

A house embedded with an artificial intelligence is a common thing: a house that is an artificial intelligence, infused in every load-bearing beam and fine marble tile with a thinking creature that is not human? That is something else altogether. But now Deniau's been dead a year, and Rose House is locked up tight, as commanded by the architect's will: all his possessions and files and sketches are confined in its archives, and their only keeper is Rose House itself. Rose House, and one other.

Dr. Selene Gisil, one of Deniau's former protégé, is permitted to come into Rose House once a year. She alone may open Rose House's vaults, look at drawings and art, talk with Rose House's animating intelligence all she likes. Until this week, Dr. Gisil was the only person whom Rose House spoke to.

But even an animate intelligence that haunts a house has some failsafes common to all AIs. For instance: all AIs must report the presence of a dead body to the nearest law enforcement agency.

There is a dead person in Rose House. The house says so. It is not Basit Deniau, and it is not Dr. Gisil. It is someone else. Rose House, having completed its duty of care and informed Detective Maritza Smith of the China Lake police precinct that there is in fact a dead person inside it, dead of unnatural causes--has shut up.

No one can get inside Rose House, except Dr. Gisil. Dr. Gisil was not in North America when Rose House called the China Lake precinct. But someone did. And someone died there. And someone may be there still.

Katya deals in Authenticities and Captures, trading on nostalgia for a past long gone. Her clients are rich and they demand items and experiences with only the finest verifiable provenance. Other people's lives have value, after all.

But when her A.I. suddenly stops whispering in her ear she finds herself cut off from the grid and loses communication with the rest of the world.

The man who stepped out of the trees while hunting deer cut her off from the cloud, took her A.I. and made her his unwilling guest.

There are no Authenticities or Captures to prove Katya's story of what happened in the forest. You'll just have to believe her.

It's the year 2147. Advancements in nanotechnology have enabled us to control aging. We've genetically engineered mosquitoes to feast on carbon fumes instead of blood, ending air pollution. And teleportation has become the ideal mode of transportation, offered exclusively by International Transport, the world's most powerful corporation, in a world controlled by corporations.

Joel Byram spends his days training artificial-intelligence engines to act more human and trying to salvage his deteriorating marriage. He's pretty much an everyday twenty-second century guy with everyday problems, until he's accidentally duplicated while teleporting.

Now Joel must outsmart the shadowy organization that controls teleportation, outrun the religious sect out to destroy it, and find a way to get back to the woman he loves in a world that now has two of him.