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.