1959; Doubleday & Company publishers, New York; Book Club Edition; hardbound in celadon green boards with blue lettering on spine; quite good condition with unmarked pages; dust jacket has minor nicks along edges - see pics.
 
Description -
Set in the 5th century when Attila the Hun, determined to conquer the world, sets forth to capture Rome.
 
In Darkness the major figure lurking in the background is Attila the Hun. The story centers upon a man named Nicolan who has been sold into slavery to the Romans but escapes to Attila and helps the Hun in an effort to avenge himself on the Romans. There is also a love story involving Nicolan and a girl from his homeland and a sub-plot or two of interest.