Blip Korterly kicks off a game of graffiti tag on a local overpass by painting a simple phrase: "Uh-oh." An anonymous interlocutor writes back: "When?" Blip slyly answers: "Just a couple of days." But what happens in just a couple of days? Blip is arrested; his friend, Dr. Flake Fountain--a molecular biologist--is drafted into a shadow-government research project conducting experiments on humans. The virus being tested--cleverly called "the Pied Piper"--renders...