In January 1993, the informative companion to the manual was the last major step delaying shipping. The book was written by Anthony Mesaros with help from NASA and was a detailed description of the Space Race with Russia and a very detailed description of the various rockets and space modules the US and Russia had created. Anthony had the book completed before the game was done but took 2.5 weeks to do the layout, design, and edit and then another 6 weeks before it came back from the printers.