The Cluster Series: Cluster, Chaining the Lady, Kirlian Quest, Thousandstar, and Viscous Circle

The Cluster Series: Cluster, Chaining the Lady, Kirlian Quest, Thousandstar, and Viscous Circle

by Anthony, Piers

4.2 (173)

4.2 stars from 173 reviews

1751 pages~29.2 hr readPublished by Open Road Media Sci-Fi & Fantasy

$34.99At peak price

Last checked: May 4, 2026

Hidden GemHighly rated but flying under the radar. Fewer readers have found this one yet.
Price history: $2.99 $34.99

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Fans of these authors will like this...

  • Ursula K. Le Guin
  • C.J. Cherryh
  • Frank Herbert

Fans of these books will like this...

  • Dune
  • The Left Hand of Darkness
  • The Pride of Chanur

Perfect for you if...

  • You love intricate world-building across multiple books and don't mind investing in a series that rewards patience with escalating stakes.
  • You enjoy science fiction that treats alien races and psychic abilities as genuine systems to explore, not just window dressing.
  • You appreciate stories where romantic entanglement between rivals shapes the course of galactic history.

Maybe not for you if...

  • You want standalone stories or tight, three-book arcs. Five books is a real commitment, and this series demands you track bloodlines and aural genealogies.
  • You prefer character-driven plots over world-spanning political intrigue and cosmic mysteries.
  • You're looking for fast pacing. Anthony builds slowly and philosophically, especially across sequels.

About this book

Piers Anthony presents an epic adventure series that blends science fiction and fantasy in an original universe. Cluster: Two beings with superior Kirlian auras—Flint of Outworld and a female Andromedan agent—are drawn together in a battle to control the energy of the Milky Way galaxy. Chaining the Lady: Melody of Mintaka, a descendant of Flint and his Andromedan mate, must protect the Milky Way from enemy Andromedans who have mastered involuntary hosting—the ability to possess others through a stronger aura. Kirlian Quest: Herald the Healer, an aural descendant of Flint and Melody, possesses a hyper-intense Kirlian aura and must discover the secrets of the Ancients to defend against the Space Amoeba, a fleet of a million alien ships. Thousandstar: Host Heem of Highfalls and his transferee Jessica of Capella compete to explore a newly discovered Ancient Site, each harboring secrets that could prove fatal. Viscous Circle: The Solarians seek to possess the secrets of an Ancient Site and target the Bands, pacifist beings. Only Rondl possesses the knowledge to prevent his race's extinction.

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Price History

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

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Free$17.50$34.99Mar '20Jul '22Jun '24May '26
$2.99$34.99

Price has dropped 29 times over the last 6 years. Goes on sale roughly every 76 days. Typically stays discounted for 28 days.

Sales Rank

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

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#10,379#455,638#900,897Oct '18May '22Nov '23May '26

Currently around #40K in the Kindle store — a steady mid-list seller.

Rating & Reviews

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3.5★4.3★5.0★Jul '23Jan '26Feb '26RatingReviews

Currently 4.2★ from 173 reviews

Review activity has been quiet recently. Rating has remained stable at 4.1 over the tracking period.

Sale Prediction

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Free$17.50$34.99Mar '20Jul '22Jun '24May '26PredictedMay '26

Actual Predicted

This book goes on sale roughly every 76 days. Next drop estimated in about 6 weeks. Typical discount: 91% off.

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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Anthony, Piers

3 books on Vagrant Press

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