Sleepers of Mars

Sleepers of Mars is a collection of five early stories (one short story and four novelettes/novellas) by British writer John Wyndham, as by John Beynon Harris, published after his death, in 1973 by Coronet Books. Contents: "Sleepers of Mars" (1939), novella, a sequel to the novel Stowaway to Mars "Worlds to Barter" (1931), novelette "Invisible Monster" (1933), novelette "The Man from Earth" (1934), novelette "The Third Vibrator" (1933)