Mississippi Mound Builders Meet the 33rd Legion
Description
Astronomer Alan Smale spends his days at NASA Goddard Space Flight Center exploring celestial objects, but he's also the author of Clash of Eagles, an alternate-history novel in which a Roman Legion...
-- Read more on ScientificAmerican.com
-- Read more on ScientificAmerican.com
More from Scientific American
3y ago41:260