Jason Fischer 
Papa Lucy & the Boneman [EPUB ebook] 

Papa Lucy saved the human race. He was a sorcerer, a lawmaker, a god. Papa Lucy led millions from the fires and destruction of the Before, into a savage new world known as the Now. Then, when the crops failed, when the livestock died, Papa Lucy gave hope. He gave civilisation to the broken leftovers of humanity, their minds wiped blank when they stumbled after him, through the secret places and out into the Now.Papa Lucy saved the human race. Papa Lucy lied.