Superstitious Nonsense
I'm not sure what standards Gandalf "a reader" sets for a science textbook but this one is not only misleading, it is dangerous. We are trying to teach our children how science works in the real world and this "textbook" misses the mark completely. If the goal of science education is to create a nation of ignorant sheep then this is the book to use but if you want to teach real science then avoid this like the plague.