Primary Inversion (Saga of the Skolian Empire Book 1)

Primary Inversion (Saga of the Skolian Empire Book 1)

by Catherine Asaro

4.3 (337)

4.3 stars from 337 reviews


$1.99KU80% off peak

Last checked: May 25, 2026

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Fans of these authors will like this...

  • C.J. Cherryh
  • Lois McMaster Bujold
  • Ann Leckie

Fans of these books will like this...

  • The Expanse series (Leviathan Wakes)
  • Ancillary Justice
  • Cyteen

Perfect for you if...

  • You love space opera with real stakes, where the political intrigue matters as much as the action sequences.
  • You're drawn to complex protagonists caught between duty and desire, especially when the stakes are existential.
  • You want SF that treats bioengineering and neural technology as central to the plot, not window dressing.

Maybe not for you if...

  • You prefer standalone novels or self-contained arcs; this is book one of a long series with threads that don't resolve here.
  • You're looking for a lighter read; the book deals with trauma, captivity, and morally murky choices.
  • You want romance as the primary focus; the emotional connection is compelling but secondary to the larger war.

About this book

The first book in Catherine Asaro's Skolian Empire saga. Soz Valdoria is a bioengineered fighter pilot and first in line for military command of the Skolian people. She finds temporary refuge with her squad on the sanctuary planet of Delos, away from the ongoing war between the Skolians and their enemies, the Traders. However, they must remain vigilant, as Trader soldiers also visit the sanctuary. While in a bar, Soz encounters an Aristo from the Trader ruling caste who appears to be hunting for a "provider." His presence triggers memories of her time as a prisoner of war, when she was held captive by a sadistic Aristo. Something about this man seems wrong to her. Following her instincts, Soz tracks him to a secured mansion, breaches its defenses, and uncovers a shocking truth: he is not a true Aristo but a genetic anomaly like herself—one of the rare few capable of handling the neurological demands of the psibernet, the technology that gives Skolians their advantage over the Traders. This false Aristo is actually the heir to the Trader throne, created by the emperor to infiltrate and control the Skolian network. Despite this revelation, Soz finds herself drawn to him in an unprecedented way, a connection that could threaten everything.

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Free$5.00$9.99Oct '22Oct '23May '24Oct '25
$1.99$9.99

Currently on sale at $1.99 — 80% off peak. Price has dropped 28 times over the last 4 years. Goes on sale roughly every 44 days.

Sales Rank

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#3,697#275,165#546,633Oct '22Nov '23Jan '24May '26

Currently around #547K in the Kindle store — a niche title.

Rating & Reviews

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3.5★4.3★5.0★Jun '23Nov '23Aug '24Apr '26RatingReviews

Currently 4.3★ from 337 reviews

Gaining approximately 7 new reviews per month. Rating has remained stable at 4.3 over the tracking period.

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Free$5.00$9.99Oct '22Oct '23May '24Oct '25PredictedMay '26

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This book is currently discounted at $1.99. It typically returns to around $9.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Catherine Asaro

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