A Goodreads user asked Andy Weir:

Mr. Weir, I loved the book. Once I picked it up and started reading, I couldn't stop reading. What is your opinion regarding the timing for when you think we'll actually land on Mars, and what do you think the preconditions are for such an endeavor? Thanks in advance.

The premise of The Martian seems like a "one-time-only" premise. Now that you've developed so many multi-dimensional characters, have you found a way to weave them into a new story? Does that even interest you, or are you working on an entirely new premise and story with other characters?

Valarie asked Andy Weir:

A Goodreads user asked Andy Weir:

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