A World That Couldn't Be

Not that world, no way
A few million years from now, there aren't any more humans alive on Earth. On the very warm planet, much of the interior of the continents is arid desert where only a handful of small animals and plants can exist. On the coasts, however, a civilization of intelligent amphibians thrives. After they had mapped and explored their world, they found their way across the solar system and space beyond it. But they have only a rudimentary understanding of the history of their ...