The author, Sir Mortimer, has long been held in high esteem by most of the major establishments of higher education. The academic elite on three continents have regarded his research as a model of both technique and clarity. This edition marks his first foray into the field of popular literature. His belief in the ability of the less gifted among us to absorb at least a modicum of basic logical thought lies at the basis of the present volume. Although, knowing full well that the masses may be unappreciative of the type of higher reasoning implied herein, he nonetheless pursues the widespread dissemination of scientifically established facts.