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Quantum Breach: SimCavalier, Book Six

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In a world where machines can decide who lives and who dies, humanity is the enemy.

Do you believe the simulations or the evidence of your own eyes? A young skipper averts disaster, and the SimCavalier, searching for a lost friend, digs deep into the world of quantum processing where probabilities diverge from realities.

Thrill-seeking gamblers are betting on everything from tropical storms to the unrelenting and bloody advance of the Militia who are driving east from the Rockies and across what’s left of the United States. But the house always wins, and Cameron suspects that an old adversary is back.

As she and her team begin to unravel the truth of a decade-old conspiracy, they become targets themselves. The machines have decided she must die, and Cameron must call on the most unlikely of allies to survive.

Listen to the entire SimCavalier
Book 1: Bitcoin Hurricane
Book 2: Hacked Future
Book 3: Tangled Fortunes
Book 4: Critical Nexus
Book 5: Unstable Realities
Book 6: Quantum Breach

Discover where it all began…
Gridlock - A SimCavalier Short Story
Xanthe - A SimCavalier Short Story

Audible Audio

Published October 10, 2025

About the author

Kate Baucherel

37 books9 followers
I'm a scifi nerd whose day job is speaking, writing and consulting on emerging technologies like AI, realities and blockchain. Combining the two, throwing all the technologies I work with into the near future to see what breaks, is enormous fun.

My first books were traditionally published non-fiction, and I still write technical works under my own name and as a ghost writer. When I was asked to co-author a cybersecurity book in 2016, a friend suggested that it might be less dry as fiction. Cameron Silvera and the Argentum Associates team burst into life and the whole process of writing fiction has become a real joy. One of my biggest challenges is making sure that the future technology I invent doesn't find its way into reports for real live clients - but the future is getting closer all the time, and some of my predictions are already coming to life. Bitcoin Hurricane was the first in the SimCavalier series of near future thrillers, and I have a growing catalogue of short stories that include the odd SimCavalier prequel, some standalone tales, and the adventures of Finch, a naive young avian on a rite of passage round-the-galaxy trip.

Inspiration? I've been embedded in scifi since childhood. My first glimpse of the Daleks from behind the sofa pulled me into new worlds, and I never left. As a child I wrote my own Dr Who and Star Wars stories and occasional scripts on an old typewriter in my bedroom, and I read my dad’s collection of Wyndham, Bradbury, Clarke, Heinlen and Asimov before discovering Iain Banks and David Brin, Terry Pratchett and Neil Gaiman. I'm still reading and learning and letting my imagination run wild.

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