I should have anticipated this really, given that this was a novel set in Asimov's Robot universe; it's more of a murder mystery (with robots) rather than a Robot story. That being said, it still plays with themes of ballooning populations, limited resources, fear of superior technology that could replace you, and interplanetary civilisation; which are all very Asimovian themes, and definitely make me keen to see where he takes this series in the next book. So I guess I'll need to get that next book now.