The Tide Series Box Set (Books 1-4)

Four books and over 1500 pages of post-apocalyptic action, suspense, and intrigue.  A devastating bioweapon will change the face and fate of humanity as we know it.  Off the eastern coast of the United States, intelligence officers discover a covert laboratory on an abandoned oil rig with unspeakable horrors. Twisted creatures wash ashore across the country. Hospitals are overrun by patients suffering from an incurable disease with terrifying symptoms. Can the tide of the apocalypse be stopped--or is humanity's fate already sealed?