In the not-too-distant future, three astronauts land on what appears to be a planet just like Earth, with lush forests, a temperate climate, and breathable air. But while it appears to be a paradise, nothing is what it seems. They soon discover the terrifying truth: On this world humans are savage beasts, and apes rule as their civilized masters. In an ironic novel of nonstop action and breathless intrigue, one man struggles to unlock the secret of a terrifying civilization, all the while wondering: Will he become the savior of the human race, or the final witness to its damnation?