Aliens debuting in the year 1960.
“This unnamed species lives in a sealed city within the interior of Luna. Their appearance is...Alien (12 to the Moon)
“The Ashenkoghli are an alien race from the planet Ashenk, that appear in The High Crusade by...Ashenkoghli
“The Pr?*tans are a name invented by Sir Roger to describe the unusual species name in The High...Pr?*tan