Illustrated by BRUSH The clod burst in a cloud of red sand and the little Martian sand dog ducked quickly into his burrow. Marilou threw another at the aperture in the ground and then ran over and with the inside of her foot she scraped sand into it until it was filled to the surface. She started to leave, but stopped. The little fellow might choke to death, she thought, it wasn't his fault she had to live on Mars. Satisfied that the future of something was dependent on her whim, she dug the san