Extinction Cycle Boxed Set, Books 1-3

Here are the first three books of the bestselling, award-winning, and top-rated Extinction Cycle series.

Extinction Horizon

The worst of nature and the worst of science will bring the human race to the brink of extinction.

Master Sergeant Reed Beckham has led his Delta Force team, code named Ghost, through every kind of hell imaginable and never lost a man. When a top secret medical corps research f...