Extinction - Keith R. A. DeCandido

Following the events of the first two films, Resident Evil and Resident Evil Apocalypse, the genetic research facility owned and operated by Umbrella Corporation has failed to contain the horrifying T-virus...leaving the streets of Raccoon City swarming with the living dead before the metropolis is eventually and utterly destroyed. Now the survivors of the catastrophe, including the mysterious Alice, must fight their way across the Nevada desert and to safety, even as Umbrella's conspires to bring about their complete annihilation....