Planet Earth, poisoned by radiation and tormented by cruel wars, is abandoned by people for new, beautiful worlds. The few remaining returned to the ancient era - the era of gods and heroes, terrible monsters and magical artifacts. Only he, Conrad, this immortal, is capable of returning history to normal, and humanity back to its native planet... The debut novel of SF Grandmaster Roger Zelazny, awarded the prestigious Hugo Award, is the best rethinking of ancient mythology in the entire history of science fiction!