"Seven elements have stood out as having most powerfully changed the course of human history . [and] have shaped the vast complexities of our social, economic and cultural existence. These seven elements hold a grip on our emotions--and our history--like no others"--Preface.
"Seven elements have stood out as having most powerfully changed the course of human history . [and] have shaped the vast complexities of our social, economic and cultural existence. These seven elements hold a grip on our emotions--and our history--like no others"--Preface.
