This book includes two previous books, making it self-contained, a DIY guide to probability.Math fear may be learned behavior. But all fear is unfounded, because fear is NOT rational. Math, however, builds up rationality. Still, math teachers may instill fear of the unknown, because they themselves may be clueless. Math is akin to a fractal, by learning more, we are always repeating, on a different scale. There is no "end of the world" as the ancients thought. Math actually gets easier as one goes along.