Essef - The landing was unlike any they had ever made. But they had never seen a planet so strange as this one, with its wild seas, scarred plains, and rubbled cities. It looked as if it had been totally devastated by some type of nuclear destruction. And they were most curious, these aliens with their green-scaled faces and stubby tails, to explore this peculiar place where man had once existed...
Used availability for Lester del Rey's Weeping May Tarry
1978 : USA Mass Market Paperback