Blindsight by Peter Watts

Blindsight is a scary good hard science fiction thriller regarding solar system invasion by intelligent non-sentient beings, countered by four extraordinarily specialized humans, and a Pleistocene-epoch vampire resurrected just for jobs like that.  This tale is as complex as my synopsis is brief, but ever so much better told and, in the audiobook form, convincingly acted.

There is much discussion of the nature and evolution of consciousness and of its pal sentience in conversational style that forms a great deal of the narrative, and compels the logical conclusion.  This is meaty literary stuff, and I urge you to take a big bite.

Blindsight was nominated for the Hugo, as well as the Campbell and Locus awards, so I’m not the only one who thought it an interesting read.