Extinction (The Remaining, 6)

This is the sixth and final novel in the action-packed series following Special Forces captain Lee Harden and a group of survivors struggling to survive while rebuilding an America devastated by a bacterium that has turned 90 percent of the population into a ravenous horde.

The merciless tide of infected is flooding south, and time is running out to stop them. Bolstered by new allies, Captain Lee Harden continues his struggle to establish a safe haven from which the embers of a shattered society can be rekindled.

This is the sixth and final novel in D. J. Molles' bestselling series:
Book One: The Remaining
Book Two: Aftermath
Book Three: Refugees
Book Tour: Fractured
Book Five: Allegiance
Book Six: Extinction