This book is online in different formats. The PDF files are the easiest to read and they're downloadable. They are scanned images of the original short story as it appeared in Galaxy Magazine in November, 1952. A classic age of Sci-Fi story and one of the best short stories Asimov ever wrote. Asimov was one of the most prolific writers of all time.

The Martian Way, By Isaac Asimov. (LINK)