The Horrors of Mars by Clark Ashton SmithFour stories with two alternate versions about the horrors to be found on Mars, the Red Planet. The Planet Entity (1931)Chapter II. Shanghaied Into SpaceChapter III. The Giant of MarsChapter IV. The Astounding Creation!Chapter V. The Return to EarthChapter VI. The Martian’s Power Dweller in Martian Depths (1933) —Into the planet’s bowels they went in search of fabulous wealth. . . but they found waiting for them the grim dweller... The Dweller in the Gulf The Vaults of Yoh-Vombis (1932) —A powerful story of a nightmare horror, a weird vampirism spawned in the caverns of the red planet The Vaults of Yoh-Vombis (Original Version) Vulthoom (1935) —A weird-scientific story of two Earthmen on Mars—a tale of frightful tortures and eery horrors in the subterranean caverns of the red planet, and a doom that menaced Earth