Author’s Note: The Immune Complete Four-Book Edition contains all four books of The Immune series, including Unraveling, Void, Evergreen, and Citadel. THIS IS THE WAY THE WORLD ENDSOn a warm summer night in New York City, the apocalypse begins. Within days, the deadly Medusa virus is sweeping the globe like a wildfire, pushing humanity to the brink of extinction. As civilization crumbles around him, survivor Adam Fisher will discover a flicker of hope that will send him on a quest through a ruined American landscape.He joins forces with Sarah Wells, a soldier harboring a tragic secret, and Freddie Briggs, an aging football star grieving the loss of his family. To survive and build a new life, the group will face challenges unlike any they have ever known, including the rise of a dangerous new enemy that will threaten the survivors’ fragile existence.