We all know that “mainstream” writers have, for years, been writing borderline science fiction stories and novels, using all kinds of tropes and conceits that any reader of science fiction would recognize as belonging to hard-core science fiction.
What is alternate history? Not as easy question to answer. Historians have been speculating on “points of divergence” since classical times. The Roman historian Livy wrote the first “counterfactual” when he speculated on what would happen if Alexander the Great turned west in 323 BC. Like a true nationalist, he believed Rome would have easily […]