This acclaimed military thriller of the zombie apocalypse from the author of Day by Day Armageddon and Day by Day Armageddon: Beyond Exile blends postapocalyptic survivalism with military science fiction. In a desperate bid to take back the continental United States--where hordes of undead now dominate the ravaged human population--a Navy commander leads a high-stakes global mission to the heart of the zombie outbreak. Task Force Hourglass is humanity's final hope, and his team's agonizing decisions could mean living one more day--or surrendering to the eternal hell that exists between life and death.