Greg Bear

A starship hurtles through the emptiness of space. Its destination-unknown. Its purpose-a mystery. Now, one man wakes up. Ripped from a dream of a new home-a new planet and the woman he was meant to love in his arms-he finds himself wet, naked, and freezing to death. The dark halls are full of monsters but trusting …

Hegira is a 1979 science fiction novel by American writer Greg Bear. It deals with themes including cyclic time, artificial intelligence, artificial life, and artificial structures of planetary scale.