Episode Guides for all 72 episodes of the renowned Crash Course World History YouTube Series, and the Office Hours review special.Each guide comes with two versions (with and without timestamps), and a complete answer key.This product easy to use, no-prep product is a perfect last minute lesson plan, review activity, extra "filler" to keep on hand, substitute lesson plan, or homework assignment.*Great AP test prep!Plus it's only $0.75 per episode!-Answer key included for every episode guide-Ques