by Brian W. Aldiss
The giant ship is sent to colonize a planet Procyon V. During the ship’s approach to the planet, something has happened. A new form disease, A Nine Days Ague derived from the planet killed a lot of people in the ship. The crew and inhabitants decided to turn back to the Earth. It took more than twen...
Brilliant piece of sci-fi writing
More fun than I thought it would be. A generational spaceship saga in which the descendants of the original crew have reverted to savagery. Some surprising twists and interesting speculations on religion and psychology.
One of those multi-generation starship stories, quite good. But there have been so many rip-offs...