Two bestselling award-winning authors team up with the second book in an exciting new paranormal series: What happens when an alien race brings Earth to the brink of Apocalypse, forcing a struggle for control of the planet?

It began on Freak Day—that day no one could explain, when strangers and family members alike went crazy and started biting one another. Some thought the outbreak was caused by a flu shot, others that it was a diet drug gone terribly wrong. All anyone knew is that once you were bitten and went to sleep, you woke up a freak.