| title | creator | language | description | tableOfContents | contributor | subject | created |
| 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 |
| The Impossibles | | en | | | | Parapsychology -- Fiction; United States. Federal Bureau of Investigation -- Fiction; Science fiction | 2007-08-16 |
| Eleven Possible Cases | | en | | | | | 2010-04-24 |
| 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 |