Invasion

New York Times bestselling author Robin Cook's "pressure cooker of a thriller" (Booklist) takes medical technology into a new realm, where everything we know about the human body-and the universe we live in-is about to be challenged.

Everyone assumes it's just the flu-but when a powerful virus causes unexplained symptoms, the few left uninfected must discover a cure before they catch it, too...

After Cassy Winthrope's boyfriend Beau displays brief, flu-like symptoms, he begins to act strangel...