4.39 (4,735 ratings by Goodreads)
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S. J. Kincaid has created a fascinating dystopian world for Insignia, her futuristic science-fiction adventure series perfect for fans of Ender's Game. Earth is in the middle of WWIII, battling to determine which governments and corporations will control the resources of the solar system.

Teen Tom Raines grew up with nothing, some days without even a roof over his head. Then his exceptional gaming skills earned him a spot in the Intrasolar Forces, the country's elite military training program, and his life completely changed.

Now in Catalyst, the explosive series conclusion, dangerous changes have come to the Pentagonal Spire where Tom and his friends train. When a mysterious figure starts fighting against the evil corporations' horrifying plans, but with methods Tom finds shocking, he must decide which side he's on.

With slim odds of success, is it even worth the fight?
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Product details

  • 12-17
  • Paperback | 432 pages
  • 140 x 208 x 30mm | 318g
  • English
  • Reprint
  • 0062093061
  • 9780062093066
  • 389,597

Back cover copy

You've achieved the impossible.
You've broken all the boundaries.

What happens when they start fighting back?

Tom Raines and his friends at the Pentagonal Spire are in Upper Company now, vying for spots in CamCo. But they soon discover troubling changes: the Spire is under new military control and cadets have suspicious neural processors, the first step in a plan with horrifying worldwide ramifications, and Tom is desperate to stop it. When the enemy comes for Tom, how much can he endure in the battle to save himself? And as the odds of success slip from his grip, is it even worth the fight?

In this exhilarating, explosive, and heartrending conclusion to the Insignia trilogy, Catalyst brings Tom and his intelligent, passionate, and brave young friends stunning tests and dangerous confrontations, and through to an impossible future they could never have predicted.
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Review quote

Kincaid's Insignia series has proven science fiction worthy of comparison with Asimov. Readers will be spellbound as they inhale this last chapter.--Booklist (starred review)
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Rating details

4,735 ratings
4.39 out of 5 stars
5 55% (2,604)
4 31% (1,485)
3 12% (551)
2 2% (76)
1 0% (19)
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