The sealed book--5:1-5. 1. “ In the right hand of him that sat on the throne a book” --5:1. The book was a scroll wherein things were registered, engraved. The productions that are now called books were unknown in this early age in the present form of printing and binding. They were usually in the form of a scroll, written or engraved on material known as parchment. (2 Timothy 4:13) A sealed book was a roll of parchment, or scroll, bound by a band, with a seal affixed to the tie of the band or to the knot. Reference is made to this usage in Isaiah 29:11, and illustrations of it have been produced in most of the dictionaries of the Bible lands and times. This book which was written within and on the backside contained the events which were depicted. The unsealing of the closed book was the revelation of the predicted events within.