Blindsight as recommended in the hard sci-fi thread.|
Absolutely loving it to bits. (But I think I don't understand the difference between hard sci-fi and vanilla sci-fi). It's free as well. I'm reading it on my phone and it's surprisingly practical.
I wonder what we'll do with ur walls in the future when there's no need for bookshelves.
If you can read this you really need to fiddle with your forum settings.