Charles Sheffield: Between The Strokes of Night, Summertide, Divergence. 3 Books

Charles Sheffield: Between The Strokes of Night 1985, Summertide 1991, Divergence 1991. 3 Vintage Sci-Fi Fantasy Space Opera Paperbacks Between The Strokes of Night 1985 In the 277th century, Earth is dead, but mankind survives in colonies scattered across the galaxy. To these new worlds come the Immortals, beings with strange ties to ancient Earth who seem to live forever, who can travel light years in days -- and who use their strange powers to control the existence of ordinary mortals. On the planet Pentecost, a small group sets out to find and challenge the Immortals. But in the search they themselves are changed: as Immortals, they discover a new threat, not just to themselves, but to the galaxy itself. Summertide 1991 Heritage Universe #1 It was just before Summertide, the time when the twin planets, Opal and Quake, would orbit closest to their sun, subjecting both—but Quake in particular— to vast tidal forces. And it was to be the most violent Summertide ever, due to the Gran