Scourge of the Scyllans (Orion Spur Book 2)

Scourge of the Scyllans (Orion Spur Book 2)

by John Spearman

4.6 (1,541)

4.6 stars from 1,541 reviews. Top 85% of Thriller books we track.


$0.99KU80% off peak

Last checked: Jun 4, 2026

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Fans of these authors will like this...

  • Rick Partlow
  • David Weber
  • Jeffery H. Haskell

Fans of these books will like this...

  • The Lost Fleet series
  • Honor Harrington series

Perfect for you if...

  • You enjoy military sci-fi with a protagonist who relies on tactical thinking and improvisation rather than superhuman abilities.
  • You want the second book in a series but don't mind jumping in here, since Spearman structures each assignment as its own contained arc.
  • You're drawn to stories where the stakes keep climbing and the hero's past wins create expectations he has to exceed.

Maybe not for you if...

  • You prefer soft sci-fi focused on exploration and wonder rather than strategic naval combat and warfare logistics.
  • You want a standalone novel, since this is book two and references the ongoing Phlegraean Alliance conflict.
  • You need character-driven introspection, as Archer's arc centres on what he does rather than extensive internal processing.

About this book

Archer Devereaux faces mounting pressure from enemies abroad and weak leadership at home. Despite dangerous circumstances, he repeatedly finds ways to navigate toward success. As the war intensifies, the navy assigns him increasingly perilous missions, and his presence at diplomatic functions proves unexpectedly hazardous. Archer and his crew damage enemy shipping operations, but he becomes strategically constrained. His only path forward requires a risky gamble that could advance scientific understanding—if he and his crew survive it. Beyond that challenge lies unknown danger. As the conflict escalates, Archer is repeatedly drawn into critical situations. The Phlegraean Alliance depends on his resilience and ability to overcome adversity. This is the second book in the Orion Spur series.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$2.50$4.99Jul '25Jun '26
$4.99$4.99

Currently on sale at $0.99 — 80% off peak. Price has dropped 1 time over the last 11 months.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#911#177,616#354,321Jul '25Sep '25Jan '26Jun '26

Currently around #19K in the Kindle store — a steady mid-list seller. Sales have softened 78% recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

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4.0★4.5★5.0★Oct '25Nov '25Dec '25May '26RatingReviews

Currently 4.6★ from 1,541 reviews

Gaining approximately 137 new reviews per month. Reader interest is accelerating. Rating has remained stable at 4.6 over the tracking period.

Sale Prediction

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Free$2.50$4.99Jul '25Jun '26PredictedJun '26

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $4.99.

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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John Spearman

1 book on Vagrant Press

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