The Emperor’s Railroad Audiobook (Free)

Global war devastated the surroundings, a zombie-like plague destroyed a lot of humanity, and civilization as we once comprehended it found a standstill. But that was a thousand years ago, and the world is currently a very different place.

Conflict between city states is constant, superstition is rife, and machine relics, mutant animals and resurrected prehistoric beasts problems the land. Watching over all will be the silent Thinking Cities. Homes from the angels, bastion outposts of heaven on Earth. Or so the church statements. Very few use, and nobody ever comes out.