This book (and companion lecture on Video and DVD) will present evidence supporting the notion that there may have been "others" who have come before us.
Of much greater concern is the methodical and systematic way in which the authorities and powers-that-be have hidden the truth, oftentimes suppressing evidence that would revise the early history of America, and in many notable cases would completely rewrite the record, and mankinds place in it, on this planet.
The legendary Vatican archives are an excellent example.
Unfortunately, because these records do not fit within accepted academic models of human history, they remain unexplained mysteries, and most people never hear of them.
Long before any humans were supposed to be on this continent, unknown hands removed millions of pounds of copper from mines near Lake Superior.
There is a recurring theme that many of the ancient relics have in common, that of being of such unwieldy proportions or sophistication, it is hard to believe that primitive human hands alone could have fashioned them.