Posted on March 4, 2020October 2, 2020 by AReditorialDept Giant Predecessors in America? SIDEBAR: A Continuing and Growing Conundrum. From Zecharia Sitchin (There Were Giants Upon the Earth) to Susan Martinez (The Mysterious… You must be logged in to view this content. Post navigationPrevious post: The Roots of Ancient Hi-TechNext post: The DNA of Understanding