Darren Shan 
ZOM-B Circus [EPUB ebook] 

Could you survive a plague of zombies? What would you sacrifice to stay alive? Who would you try to save? For one human, judgement day is coming . . .Zom-Bis a radical new series about a zombie apocalypse. It combines classic Shan action with a fiendishly twisting plot and hard-hitting and thought-provoking moral questions dealing with racism, abuse of power and more. Fast-paced and bloody; a high body-count is guaranteed!