books.google.com - A guide to one of the world's leading long-distance trails, the GR5, through the Alps from lake Geneva to the Mediterranean. The text provides maps and photographs....https://books.google.com/books/about/Walking_the_French_Alps.html?id=hXYQQd-oTfYC&utm_source=gb-gplus-shareWalking the French Alps
Martin Collins is a curator at the Smithsonian Institution's National Air and Space Museum in Washington, D.C. He received his Ph.D. from the University of Maryland and is the author/editor of several books on space history and on science, technology, and society in the twentieth century, including Space Race: The US-USSR Competition to Reach the Moon (1999). He lives in Takoma Park, Maryland.