From publisher blurb:
Since the dawn of history, Mankind has gazed at the stars with longing. Now your players can reach the stars. Sea of Stars is a complete resource for planning, designing, and expanding a futuristic d20 campaign. This 87 page book covers everything from interstellar empires to the starships in their fleets. In addition to numerous examples of weapons, equipment, and governments, Sea of Stars includes the Campaign Worksheet, a step-by-step tool for creating new technologies, societies, economies, and more. Sea of Stars contains extensive notes on how the various elements in a campaign can work together to add greater depth to your game.