The book is organized to give players and game masters a quick overview and detailes what section they are in to provide a greater story telling atmosphere. The system, while not D20, is similar to a streamlined D20 system, that more accurate reflects a hard science background. All of the weapons, equipment, etc. are looked at with a plausible far future angle. A touch of the fantastic is added for things like FTL travel. It is the only far future, hard science, role playing game on the market. Come see explore the mystery of the Xro Dinn and let your imagination run wild in Ionian Games Studio's XDC line!