A unique book that purports to explain the past existence of giant beings referred to in the Bible as the Nephilim is skyrocketing up online best-sellers lists, now appearing in the top 15 at Amazon.com. Published by Xulon Press, "The Nephilim and the Pyramid of the Apocalypse" presents an explanation for an unusual verse in the first book of the Bible, Genesis 6:4, which reads: "There were giants (Nephilim) in the Earth in those days, and also after that, when the sons of God came in unto the daughters of men and they bare children to them." The book's author,...