In one place, a descendant of the Vikings rode a ship such as Lief never dreamed of; from another, one of the descendants of the Caesars, and here an Apache rode a steed such as never roamed the plains. But they were warriors all.
Time-travel continues to exercise its mesmeric fascination upon writers, readers and editors of science fiction alike. Probably because almost all of us, at one time or another, have longed greatly to visit either the future or the past. Perhaps, in view of the dangerous paradoxes such travel must involve, it is a good thing that such horological journeys have to date been confined to the printed page.