Naturally, Executive Producers Tony and Joe Gayton have cinematic inspirations for Hell on Wheels. (Here's their list of the Western movies that influenced the series.) But the Gaytons also credit literature with shaping their vision of the world of Hell on Wheels. Joe Gayton explains that their goal was to develop "timeless story parallels -- to modern-day insider trading, Bernie Madoff types and the robber barons of the past." If you're looking for a reading list that calls on those themes, search no further. Here's what the Gaytons recommend.