In the book Rot & Ruin, Jonathan Maberry has created a post apocalyptic zombie infested world.  Benny Imura and his brother Tom live in a safe zone that is separated from the zombies by a fence.  They are constantly under threat of attack by the zombies.  Benny is fifteen and it is time for him to find an occupation.  After several failed attempts at employment he decides to learn his brother's trade which is bounty hunter.  Benny eventually learns that his brother is not a typical bounty hunter.  He does search for zombies but he is hired by family members with a special request.  Benny and Tom head out together beyond the safety of the fence.

Benny never knew his parents.  The night of the zombie apocalypse, Benny's father is infected and becomes a zombie.  His mother who has been injured, hands the baby Benny off to his older brother Tom and tells him to run. That is the last that they see of their parents.  Benny has believed for years that his brother is a coward.  That happened fourteen years ago.  Tom has been raising Benny ever since but their relationship is very strained.  As they work and travel together Benny learns more about his brother and the reality of that night.