Mysteries of the 'Book of Revelation' Revealed: The Book of Revelation, unlike the rest of the New Testament, is filled with hard sentences and deep mysteries regarding events that will herald the last days. It is replete with words hard for mental understanding but yet filled with clear answers to every mystery that is to come in this world. The use of unfamiliar symbolisms and numbers in the book additionally contributes to our confusions about the events explained in the book. '21' has tried to explicitly explain the events described in Revelation by correlating it with other biblical prophecies pertaining to the end times. You will find it thrilling to read with most hard sentences explained for clear grasps of the intended messages. It is painstakingly written with an ultimate aim of helping this generation understand the times we are living in.