Mars Mars The Martian

So I read the scifi book The Martian a while back, and I loved it. It's hard scifi; an adventure tale with a lot of solid science and engineering in it. Despite being laden with technical stuff, it's a page turner, and I highly recommend it (especially since it's being made into a movie with Matt Damon). It seemed pretty accurate to me (I spot checked some of the math, actually, because me = dork), but I'm not an expert in Martian geography. It turns out the terrain astronaut Mark Watney had to ...