1. Race Against the Machine by Brynjolfsson and McAfee

2. The Second Machine Age by Brynjolfsson and McAfee

3. The Lights in the Tunnel by Martin Ford

4. Rise of the Robots by Martin Ford

5. Average is Over by Tyler Cowen -specifically, the parts about labor market bifurcation and man-machine pairs

Brynjolfsson and McAfee are MIT economists. Top notch. Cowen is also an excellent economist at George Mason.