is a Canadian novelist, short story writer, academic, essayist,
travel writer, and editor. He is primarily interested in science
fiction, speculative science fiction, dystopian and post-apocalyptic
fiction, although he has also written travelogues, poetry, book-length
academic treatments, and more literary novels. His other interests
range from astrophysics to materials science, from child-rearing
to construction, from cognitive therapy to paleoanthropology.