I am looking for a book I got from Fictionwise about self replicating crablike robots who invade North America. A NASA scientist has been working on a crab like rover for mars and uses it to battle the aliens. A father and son are camping when they discover the nest for the robots

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    Hi, welcome to SF&F. You tagged this books and short-stories; which is it?
    – DavidW
    Mar 22 at 1:37

1 Answer 1


This has some similarities to Greg Bear's The Forge of God.

Earth is being attacked by self-replicating machines which were sent out by a civilisation to destroy all other sentient life.

Another set of machines also arrives, in the form of small spider-like robots - although their intention is to preserve what they can, they are initially thought to be invaders. There is a scene of them being discovered by the main character and his son camping, although I don't think there was anything about battling them using a Mars rover.

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