Finished the fourth book in the 'Children of Time' series.

'Children of Strife' by Adrian Tchaikovsky. Book covers three different eras of human space exploration. Tchaikovsky writes like a cross between Terry Pratchett and Arthur C. Clarke. Whimsy and humor slamming into hard science at the speed of light.

Classic = "The Silver Metal Lover" by Tanith Lee. In the future, robots are absolutely perfect. Too perfect. Way, way too perfect.