I Am Legend

Robert Neville may well be the last living man on Earth . . . but he is not alone.
 

An incurable plague has mutated every other man, woman, and child into bloodthirsty, nocturnal creatures who are determined to destroy him.

 

By day, he is a hunter, stalking the infected monstrosities through the abandoned ruins of civilization. By night, he barricades himself in his home and prays for dawn.... 
http://www.amazon.com/I-Am-Legend-Richard-Matheson/dp/0765357151/ref=sr_1_1?s=books&ie=UTF8&qid=1438068344&sr=1-1&keywords=I+Am+Legend