Includes stories from:

H. G. Wells: The War of the Worlds, The Shape of Things to Come, In the Days of the Comet, The War in the Air, The Chronic Argonauts

Otis Adelbert Kline: The Venus Trilogy: The Planet of Peril, The Prince of Peril, The Port of Peril

The Mars Series: The Swordsman of Mars, The Outlaws of Mars

Other Novels: Maza of the Moon, The Metal Monster, Stranger from Smallness

Edgar Wallace: Planetoid 127

Stanley G. Weinbaum: Stories from the Solar System: A Martian Odyssey (Mars), Valley of Dreams (Mars), Flight on Titan (Titan), Parasite Planet (Venus), The Lotus Eaters (Venus), The Planet of Doubt (Uranus), The Red Peri (Pluto), The Mad Moon (Io), Redemption Cairn (Europa)

Malcolm Jameson: The Captain Bullard Series: Admiral's Inspection, White Mutiny, Blockade Runner, Bullard Reflects, Devil's Powder, Slacker's Paradise, Brimstone Bill, The Bureaucrat, Orders

Jules Verne: From the Earth to the Moon, Around the Moon, Off on a Comet

Percy Greg: Across the Zodiac

David Lindsay: A Voyage to Arcturus

Edward Everett Hale: The Brick Moon