From the introduction:
The Jovian Chronicles is a complete science fiction universe for the Silhouette roleplaying game system. Inspired by classic science fiction stories and giant robot animations, this book will take the players beyond the confines of planet Earth to discover a solar system on the brink of war. Along the way, they will interact with a rich cast of characters, visit exotic locales and possibly alter the destiny of the Jovian Confederation, if not the human race!
Other than players, six-sided dice, paper and pencils, all that you need to play can be found in this book. In addition to the Chronicles historical, political and scientific background, it contains the Silhouette game rules for character generation, character action and vehicle combat that support the campaign. The book also contains pre-generated characters and vehicles, all ready to use in a roleplaying campaign.
Get ready to enter the twenty-third century and step into the world of the Jovian Chronicles. Are you up to the challenge?