Jorge Perez Bucheli 
The Last Mundane [EPUB ebook] 

A nuclear explosion and a pandemic have depleted the world’s population, dominated by a group of possessed entities that now control the few remaining resources. Adam is a young boy, a dreamer, who was able to survive in a bunker and decides to set out in search of his parents, travelling a perilous path that hides a sinister truth about the fate of humanity. When the end comes, will he be ready to face it?