The Earth: Doorway to the Universe By Gorokhov, Alexei Books / Paperback Transportation › Spaceflight Publisher: Novosti Press Agency Publishing House, January 1979 Price $29.29 Free Shipping Send to a friend Used - Good Good condition. (space, spaceflight, history, technology) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $29.29 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.