CHAPTER I
WHICH WAY?
When you have noticed a fly crawling on a ball or an orange has it ever occurred to you how a man would look crawling about on the earth if seen from a great height? Our world is, as everyone knows, like an orange in shape, only it is very much larger in comparison with us than an orange is in regard to a fly. In fact, to make a reasonable comparison, we should have to picture the fly crawling about on a ball or globe fifty...
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