Alissa asked Andy Weir:

Now that the novel is being adapted into a film - and as it's always the case, many details from the book are bound to be left out - are there any (minor) moments in particular that you hope the movie preserves? Something that perhaps isn't necessarily relevant to the plot itself, but you're nevertheless fond of?

Andy Weir I'm very happy with the screenplay. I can't really say more than that. :)

I've heard that you're a huge Doctor Who fan. I was wondering if you could give us a synopsis of The Martian if the Doctor (of your choice) happened to drop in to rescue Mark Watney at any point in the story? What kind of problems would they run in to along the way?

Sam Bossen asked Andy Weir:

Gregg asked Andy Weir:

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