"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