Main Page | See live article | Alphabetical index The Case For Mars is a nonfiction science book by Robert Zubrin that details the Mars Direct plan to make the first human landing on Mars. Zubrin's plan focuses on keeping costs down by making use of automated systems and available materials on Mars to manufacture fuel and other consumables. The same plan is retold in a fictional account in Zubrin's First Landing. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.