Explore the sights and mysteries of the French Arm, one of humanity`s main thrusts into the depths of space. This 2300AD sourcebook details an entire area of space for the players to explore, documenting the worlds, customs, technologies, and ships that sail between the stars. Uncover the secrets of an alien threat to humanity, the start of an interstellar war, and the rival governments and corporations that make the life of a colonist ever harder as they struggle to make the French Arm habitable.