"Most of his science output was in a bunch of nonfiction books that I'm not even sure are still in print, and he had a rep for churning out books on every subje

"Most of his science output was in a bunch of nonfiction books that I'm not even sure are still in print, and he had a rep for churning out books on every subject at lightning speed, rather than for great insight." The Intelligent Man's Guide to Science (now called Asimov's New Guide To Science) was and is still very highly regarded.