Del was a rock singer. He was also the renegade son of the Ruby Dynasty, which made his career choice less than respectable, and gave him more to worry about than getting gigs and not getting cheated by recording companies, club owners, or his agent. For one thing, the Ruby Dynasty ruled the Skolian Imperialate, an interstellar Empire, which had recently had a war with another empire, the Eubian Concord. For another, Del was singing on Earth, which was part of a third interstellar civilization,