| title | creator | language | description | tableOfContents | contributor | subject | created |
| A Beautiful Possibility | Black, Edith Ferguson, 1857-1936 | en | | | | | 2003-11-01 |
| The Impossible Voyage Home | Wallace, F. L. (Floyd L.), 1915-2004 | en | | | Francis, Dick [Illustrator] | Science fiction; Interplanetary voyages -- Fiction | 2010-06-13 |
| His Lordship's Leopard
A Truthful Narration of Some Impossible Facts | Wells, David Dwight | en | | | | | 2010-01-06 |
| Love, Life & Work
Being a Book of Opinions Reasonably Good-Natured Concerning
How to Attain the Highest Happiness for One's Self with the
Least Possible Harm to Others | Hubbard, Elbert, 1856-1915 | en | | | | | 2003-12-01 |
| Porto Rico
Its History, Products and Possibilities... | Hall, Arthur D. | en | | | | | 2010-01-16 |
| The Impossibles | | en | | | | Parapsychology -- Fiction; United States. Federal Bureau of Investigation -- Fiction; Science fiction | 2007-08-16 |
| Eleven Possible Cases | | en | | | | | 2010-04-24 |
| Other Worlds
Their Nature, Possibilities and Habitability in the Light of the Latest Discoveries | Serviss, Garrett Putman, 1851-1929 | en | | | | | 2006-05-22 |
| If, Yes and Perhaps
Four Possibilities and Six Exaggerations with Some Bits of Fact | Hale, Edward Everett, 1822-1909 | en | | The children of the public -- A piece of possible history -- The South American editor -- The old and the new, face to face -- The dot and line alphabet -- The last voyage of the Resolute -- My double, and how he undid me -- The man without a country -- The last of the Florida -- The skeleton in the closet -- Christmas waits in Boston. | | United States -- Social life and customs -- 19th century -- Fiction; Short stories, American | 2009-03-21 |
| The Crime Against Europe
A Possible Outcome of the War of 1914 | Casement, Roger, 1864-1916 | en | | | | World War, 1914-1918 -- Causes; Irish question | 2005-01-18 |
| The Mystic Will
A Method of Developing and Strengthening the Faculties of the Mind, through the Awakened Will, by a Simple, Scientific Process Possible to Any Person of Ordinary Intelligence | Leland, Charles Godfrey, 1824-1903 | en | | | | | 2006-02-10 |