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The sixth book in USA Today bestselling author Nicholas Sansbury Smith’s propulsive post-apocalyptic series about one man’s mission to save the world.

The newly christened leader of Delta Force Team Ghost, Master Sergeant Joe Fitzpatrick arrives in Normandy over 70 years after Allied Forces joined the fight against the Nazis. The war to free survivors and eradicate pockets of adult Variants and their offspring is underway by the European Unified Forces. But as the troops push east, rumors of a new type of monster spread through the ranks. Fitz and his new team quickly realize that the fight for Europe might be harder than anyone ever imagined.

Back in the States, Captain Reed Beckham and Dr. Kate Lovato are settling into a new life on Plum Island. Across the United States, the adult Variants have all been wiped out, and the juveniles are on the run. But the survivors soon realize there are other monsters at home, and they may be human.
A new monster emerges. . .

What's Inside

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Reader Reviews

Praise

"Nicholas Sansbury Smith combines plausible science with fast-paced military action in an epic juggernaut that races along at supersonic speed. Fans of the genre are sure to love it!"—Russell Blake, New York Times bestselling author on The Extinction Cycle
"A blistering, high octane thrill ride to the brink of humanity's extinction. Nicholas Sansbury Smith plunges the reader right into the middle of the action, alongside a cast of unforgettable characters, as they fight tooth and nail to survive one impossible mission after another-to stop an extinction level virus. The Extinction Cycle series is post-apocalyptic, military science fiction at its best. Highly addictive!"
Steven Konkoly, USA Today bestselling author
"Fast-paced military action meets cool, cutting-edge science. Extinction is no longer a Darwinian battle of the fittest. It's a race for survival."
E. E. Giorgi, author of Chimeras on The Extinction Cycle
"Extinction Horizon is a roller coaster ride of fear and adrenaline that you will not want to put down. Nicholas Sansbury Smith once again separates himself from the masses with a brilliantly entertaining post-apocalyptic thriller."
W. J. Lundy, author of Only the Dead Live Forever on The Extinction Cycle
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