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Entangled Continua is the publishing home of Katherine and Eric Nabity.

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6/5/23 – Katherine's short story "The Colors of the Sea" was published at Strange Horizons.

5/12/23 – Katherine's flash fiction story "The Aeronaut's Wife" was published at White Cat Publications.

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The Case of the Sorrowful Seamstress
A "One Ahead" Mystery

Available from Amazon (Kindle).

One Ahead Mysteries feature David P. Abbott. In addition to being an accomplished magician in early 20th century Omaha, NE, David Abbott was a skeptic and debunker of fraudulent mediums. In "The Case of the Sorrowful Seamstress," Abbott investigates Miss Mary Grace, a charismatic spiritualist who has enthralled the sister of a young railroad worker.

Read an Excerpt from The Sorrowful Seamstress and learn more about the One Ahead series.

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Entangled TOME

Our Past in the Uncanny Valley

Our Past in the Uncanny Valley is a collection of automaton stories from 1810-1910. From E. T. A. Hoffmann's nightmarish Olimpia to the enigma of the mechanical chess-playing Turk to a plethora of humorous later-century robot maids, these stories show that our current fears about artificial intelligences aren't new at all.

Our Past in the Uncanny Valley is available right here for free download:

  • MOBI (for sideloading onto Kindles and Kindle apps)
  • AZK (for sideloading onto Kindle iOS apps)
  • ePUB (for use with Adobe Digital Editions & sideloading onto Nooks)
  • PDF (larger file size)

Or, take a look at the full Table of Contents and more information about Entangled TOMES

PHYSIC cover


Available from Amazon (Kindle).
Newly updated text.


PHYSIC is an adventure of discovery where engineering and the scientific approach, rather than derring-do, save the day.

Ysenof engages the world in terms of elementary physics. He can manipulate matter and energy, but his focus on fundamentals fails with people. He could change the world, but needs help. Abby Skipper is a people person and mind reader. Special Agent John Clark sees connections. Pauline Morcet is indestructible and haunted by a violent alter ego. Together, they will find out what made them PHYSIC.

The Science of PHYSIC in the Real World

What do a Mars rover and Ysenof have in common? Curiosity's descendent, the Mars 2020 rover, will have an instrument, PIXL, that will scan at molecular resolution by inducing fluorescence with x-rays. Ysenof utilizes multi-photon stimulation to control the depth at which fluorescence occurs and to avoid unnecessary collateral damage.

Curious as to what the heck an FPGA is and why they are a useful tool for the NSA and for Ysenof? Read about Microsoft's Project Catapult and how it is using Field Programmable Gate Arrays to enhance the efficiency of Bing search.

Wonder what it might be like to be PHYSIC? Check out SCiO to learn about how the light we cannot see contains useful information. The hand-held near-IR spectrometry technology and cloud-based big data analytics might give users a very small taste of what it is like to be PHYSIC.

Read an Excerpt from PHYSIC

Works In Progress

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Katherine is writing sentimental robot stories.


Eric is editing the PHYSIC series.

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Available at Amazon (Kindle).
Also available in paperback!

If science is a product of observation, then magic is the manipulation of what isn't or can't be observed. Private investigators are often generously described as "down on their luck." They are the good guys, helping the helpless, regardless of the cost. Sherlock Holmes rarely accepted payment from clients of little means.

Aleister Luck, despite his magic, has not had celebrities and nobility knock on his door. A native of Las Vegas, he gambles at the casinos for pocket money when he isn't finding clients in need. On a whim, he investigates the law firm of Devine, Chance & Merit and runs afoul of the greatest danger to his magic: his snoopy ex-girlfriend.

Felix Benes' gene-based cancer diagnostic will recommend against many profitable but useless or harmful treatments. His funding has been cut and he fears he's being hunted. While Dana Spelman, his attorney at DCM, evaluates the viability of his case, he disappears. Then, she attracts the attention of the sort of men that might make someone disappear. As Dana evades them, she runs into her gambling-addicted loser ex-boyfriend.

As they uncover the labyrinthine conspiracy behind Benes' disappearance, Luck's magic will struggle against Dana's efforts to survive.

Genre: Speculative Fiction Detective Thriller

Read an Excerpt from Luck for Hire

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The Martian Engineer's Notebook Series

The Martian Engineer's Notebook, Volume 1 (Kindle)
The Martian Engineer's Notebook, Volume 2 (Kindle)

Volumes 1 & 2 are also available in a Compiled Edition!

Science and Engineering are inherently dramatic enterprises. Initial impressions of how something should work are often inaccurate. First attempts at calculating what an outcome should be often aren't complete. Creative imagination and persistence can often find its way around seemingly insurmountable obstacles. Shortsightedness can render dire threats invisible and lead to ruin.

The Martian Engineer's Notebook is a scientific supplement and critique of The Martian by Andy Weir. It contains explanations of scientific concepts and detailed solutions to problems related to the challenges of Mark Watney's ordeal on Mars. Should he have survived? What did he get right? What did he get wrong? What did he get wrong, but it didn't matter? These are the kinds of questions that The Martian Engineer's Notebook seeks to provide researched and organized answers to.

Volume 1 covers weather on Mars and an in-depth analysis of the resources at Mark's disposal as well as what it takes to build a farming ecosystem on Mars.

Volume 2 covers the process of burning hydrazine inside the Hab and the thermodynamic consequences.

Genre: Non-Fiction

© 2008- Eric & Katherine Nabity
All written work on these pages are the property of the author(s).
Duplication of these works is not authorized.
Header font (Chopin) by Dieter Steffmann