| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Planet Mars and Its Inhabitants, a psychic revelation | | en | | | | Spiritualism; Mars (Planet) -- Miscellanea | 1996-06-01 |
| Rebels of the Red Planet | Fontenay, Charles Louis, 1917-2007 | en | | | | Science fiction; Mars (Planet) -- Fiction; Space colonies -- Fiction; Life on other planets -- Fiction | 2007-03-04 |
| A journey in other worlds
A romance of the future | Astor, John Jacob, 1864-1912 | en | | | | Manned space flight -- Fiction; Space ships -- Fiction; Jupiter (Planet) -- Fiction; Saturn (Planet) -- Fiction; Science fiction; Utopias -- Fiction | 1999-01-01 |
| Lone Star Planet | | en | | | | | 2006-12-16 |
| Earths In Our Solar System Which Are Called Planets, and Earths In The Starry Heaven Their Inhabitants, And The Spirits And Angels There | Swedenborg, Emanuel, 1688-1772 | en | | | | | 2005-06-12 |
| The Secret of the Ninth Planet | Wollheim, Donald Allen | en | | | | | 2010-09-05 |
| Police Your Planet | Del Rey, Lester, 1915-1993 | en | | | | | 2006-12-29 |
| The Planet with No Nightmare | Harmon, Jim, 1933-2010 | en | | | Wood, Wallace, 1927-1981 [Illustrator] | Science fiction; Short stories | 2010-02-03 |
| Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation | Wallace, Alfred Russel, 1823-1913 | en | | | | Lowell, Percival, 1855-1916. Mars and its canals; Mars (Planet) | 2004-01-01 |
| My Fair Planet | Smith, Evelyn E., 1927-2000 | en | | | Dillon, Alice Julia Christie, 1876- [Illustrator] | | 2010-03-15 |
| Stopover Planet | Gilbert, Robert E., 1924-1993 | en | | | Terry, W. E. [Illustrator] | Short stories; Science fiction | 2009-09-17 |
| Cry from a Far Planet | Godwin, Tom, 1915-1980 | en | | | Martinez [Illustrator] | Science fiction; Short stories; Human-alien encounters -- Fiction | 2007-12-10 |
| Rip Foster Rides the Gray Planet | Goodwin, Harold L. (Harold Leland), 1914-1990 | en | | | | | 2006-12-20 |
| One Martian Afternoon | Leahy, Tom | en | | | | Science fiction; Short stories; Mars (Planet) -- Fiction | 2009-09-13 |
| Rip Foster in Ride the Gray Planet | Goodwin, Harold L. (Harold Leland), 1914-1990 | en | | | | | 2006-04-10 |
| Dead Man's Planet | Samachson, Joseph, 1906-1980 | en | | | Emshwiller, Ed, 1925-1990 [Illustrator] | Science fiction; Short stories | 2009-12-27 |
| Planet of Dreams | McKimmey, James, 1923- | en | | | Orban, Paul, 1896-1974 [Illustrator] | Science fiction; Short stories | 2009-09-20 |
| Astounding Stories, July, 1931 | Various | en | | The doom from planet 4, by Williamson -- The hands of Aten, by Winter -- The diamond thunderbolt, by Rich -- The slave ship from space, by Holmes -- The revolt of the machines, by Schachner and Zagat -- The exile of time (conclusion), by Cummings. | | | 2010-02-03 |
| The Pygmy Planet | Williamson, Jack, 1908-2006 | en | | | | | 2009-06-20 |
| Keep Out | Brown, Fredric, 1906-1972 | en | | | Schroeder, Ernest [Illustrator] | Science fiction; Short stories; Mars (Planet) -- Fiction | 2009-06-17 |
| Earthmen Bearing Gifts | Brown, Fredric, 1906-1972 | en | | | | Science fiction; Short stories; Mars (Planet) -- Fiction | 2008-09-04 |
| Four-Day Planet | Piper, H. Beam, 1904-1964 | en | | | | | 2006-10-06 |
| The War of the Worlds | Wells, H. G. (Herbert George), 1866-1946 | en | | | | Science fiction; Martians -- Fiction; Mars (Planet) -- Fiction; Space warfare -- Fiction; War stories; Imaginary wars and battles -- Fiction | 2004-10-01 |
| Planet of the Damned | Harrison, Harry, 1925- | en | | | | Science fiction; Life on other planets -- Fiction; Human-alien encounters -- Fiction | 2007-06-20 |
| The Planet Strappers | Gallun, Raymond Z., 1911-1994 | en | | | | Science fiction; Astronauts -- Fiction; Outer space -- Exploration -- Fiction | 2008-04-13 |