Roger Arcot explores the fringes of a really never forgotten world, the introduction to which is an aged manuscript De Necromantiae, and the wish, not too repressed, to pledge your soul to the Devil!
Nobody knew very much about the Sargasso area of the void; only one thing was certain: if a ship was caught there it was doomed in The Graveyard Of Space.
Metropolis is set in 2026 in a technologically advanced city, which is sustained by the existence of an exploited class of laborers who live underground, far away from the gleaming surface world.
The Coming Conquest of England is a classic utopian novel that displayed the German lust for world domination long before either of the two World Wars.