Additionally, we have an article here explaining what Civilization Type levels are and the pros and cons of using them.
Also, don't forget to recommend us on StumbleUpon here. All it takes is a click.
Rusty is the co-founder of How To Survive Alien Invasion Novels, and gets up to all kinds of shenanigans planning for any and all kinds of apocalypse when he's not busy reading, writing, or yo-yoing. Keep up with him and Rachel on Facebook and Twitter to get cool, space related news or click here to read more of his thoughts on the terror of alien invasion novels.