Afterland
(Book)

Three years after a plague has wiped out the male population, twelve-year-old Miles is one of the last boys alive, and his mother, Cole, will protect him at all costs. On the run after a horrific act of violence, and pursued by Cole's own ruthless sister, Billie -- all Cole wants is to raise her kid somewhere he won't be preyed on as a reproductive resource or a sex object or a stand-in son. Someplace like home.