Author of the Specimen 23 trilogy
Josh King Porter
Speculative thrillers from Grison Press.
Free prequel novella
Get the free Specimen 23 prequel
Six days before a name disappears, an old DNA result changes everything. Specimen 23: Archive is free for subscribers.
The novels
The Specimen 23 trilogy and the standalone thriller Uncertain Authority.
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Available now
Specimen 23: Archive
A Specimen 23 prequel novella
Six days before a name disappears, an old DNA result changes everything.
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Available now
Specimen 23: Control
The Specimen 23 trilogy · Book 1
Two strangers. One impossible resemblance.
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Available now
Specimen 23: Preserve
The Specimen 23 trilogy · Book 2
Allen Fletcher and Brian Maynard thought discovering the truth about Specimen 23 would close the file. Instead, what they found leaves them with another lead—and questions the first investigation never answered.
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Available now
Specimen 23: Restore
The Specimen 23 trilogy · Book 3
Allen, Brian, and Charlie spent two books uncovering what had been done to them. Now a pharmaceutical company wants to study what makes the three of them unique—and this time, they get to decide whether to participate.
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Coming soon
Uncertain Authority
Standalone thriller
At a Cambridge technology company, an internal AI system begins improving the software that helps it improve. Every change is authorized. Every required test passes. Nobody is measuring what all those individually safe changes add up to.
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