Zero Hour is a book that belongs to the Resident Evil series written by S.D Perry that tells the story of a military team that will investigate the biohazard outside Racoon City. They will discover many corpses and other terrors.
Apocalypse is the first book in the Resident Evil Series written by Keith R.A DeCandido that tells the story of a city full of zombies. They became living deads because of the Umbrella Corporation's viral creation.
Caliban Cove is the second book in the Resident Evil series written by S.D Perry that tells the story of the aftermath effect of the viral infection that the Umbrella Corporation produced. S.T.A.R.S group will discover the conspiracy.