He is science fiction down to the bone, but he very often takes the "serious" stuff not so seriously. Or he does, but he still squeezes a modicum of wit and whimsy into his subjects. He can catch a salient point in a couple of pages or explore a well-trodden road like AI with new insight.
"He" and "him," in this context, being me.
The full review, for anyone curious, can be found at http://www.galaxysedge.com/. Once there (cuz the review page is for some reason not accessible via a direct link) click on "Recommended Books".