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I trying to remember the name of a book I read 20 or 30 years ago. A man is stranded on an alien world. He gets badly injured and a bug like alien heals him by creating a organic heart. The aliens are solar powered and must wall themselves off at night for protection from predators. All their technology is based on organics. The human shows them a battery and they are able to modify their bodies to have organic batteries and stay awake at night.

  • This was the plot of an episode of Futurama – Valorum Nov 15 '14 at 12:19
  • @Richard: Not quite. There's no honest, hard-working, patriotic orang-utans in this story. It's very different from the story about self-replicating, evolving machines that a pissed-off Dan Vebber based A CLockwork Origin on. – James Sheridan Nov 15 '14 at 13:03
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''Sentenced to Prism'' by Allen Dean Foster would be my bet. Evan Orgell is a troubleshooter sent to a work which has developed silicon-based life. It's also incredibly deadly with creatures that have developed primitive biological lasers and "grass" that's incredibly sharp pieces of glass with fractal edges that remain sharp all the way down. He starts out with a technological powersuit, but it's quickly disabled by the hostile environment. Partway through the book, he has a large chunk of his torso removed by an alien creature while he's trying to cross a stream and some of the creatures he's befriended rebuild a set of organs for him, including a battery based on what they found in his gear, which they demonstrate they've similarly adapted to their own body.

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The scenes with the walling away happens when he meets the first friendly alien. It was a little thing, about dog-shaped, and had saved him from another creature which had tied him down to the front of a tree. He wound up with the creature in a cave where it set up the wall for protection. He speculates that it saved him to provide a source of warmth. Later in the night, it puts tendrils into his ears and somehow manages to forge an avenue of communication, whereupon they both realize that the other is intelligent.

By the end of the book, Evan has realized that his company would not care that the life on the planet was sentient, and he's had enough of himself reconstructed that he no longer feels human, so he bands with the silicon aliens to save them from the cleanup squad the humans send.

  • Accepted I posted the original question and Sean Duggan is correct. It was "Sentenced to Prism'' by Allen Dean Foster. Thank you. – user36116 Nov 16 '14 at 1:08
  • :) Don't forget to click on the checkmark. – FuzzyBoots Nov 16 '14 at 18:15
  • Well, if @Tom ever returns, he can accept it, I guess. :) – FuzzyBoots Nov 20 '14 at 17:07

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