English Fiction Prose in Project Gutenberg (124)
- Once to Every Man by Evans, Larry
- Once upon a time animal stories by Bailey, Carolyn Sherwin
- One Against the Moon by Wollheim, Donald A.
- One Against the Stars by Garson, Bill
- One Basket by Ferber, Edna
- One Day//A sequel to 'Three Weeks' by
- One Day At Arle by Burnett, Frances Hodgson
- One Day's Courtship, and The Heralds of Fame by Barr, Robert
- One Hundred Merrie And Delightsome Stories//Right Pleasaunte To Relate In All Goodly Companie By Way Of Joyance And Jollity by
- One Maid's Mischief by Fenn, George Manville
- One Man in His Time by Glasgow, Ellen Anderson Gholson
- One Man's Initiation—1917 by Dos Passos, John
- One Man's Poison by Sheckley, Robert
- One Man's View by Merrick, Leonard
- One Martian Afternoon by Leahy, Tom
- One Of Them by Lever, Charles James
- One Out of Ten by Ferlaine, J. Anthony
- One Purple Hope! by Hasse, Henry
- One Snowy Night//Long ago at Oxford by Holt, Emily Sarah
- One Way by De Ford, Miriam Allen
- One Woman's Life by Herrick, Robert
- One Woman: Being the Second Part of a Romance of Sussex by Ollivant, Alfred
- One Wonderful Night: A Romance of New York by Tracy, Louis
- One for the Robot—Two for the Same by Phillips, Rog
- One good turn by Sinclair, Bertrand W.
- One in a Thousand; or, The Days of Henri Quatre by James, G. P. R. (George Payne Rainsford)
- One jump ahead by Humphreys, Ray
- One of Cleopatra's Nights and Other Fantastic Romances by Gautier, Théophile
- One of Clive's Heroes: A Story of the Fight for India by Strang, Herbert
- One of Life's Slaves by Lie, Jonas
- One of My Sons by Green, Anna Katharine
- One of Our Conquerors — Complete by Meredith, George
- One of Our Conquerors — Volume 1 by Meredith, George
- One of Our Conquerors — Volume 2 by Meredith, George
- One of Our Conquerors — Volume 3 by Meredith, George
- One of Our Conquerors — Volume 4 by Meredith, George
- One of Our Conquerors — Volume 5 by Meredith, George
- One of Ours by Cather, Willa
- One of the 28th: A Tale of Waterloo by Henty, G. A. (George Alfred)
- One of the Six Hundred: A Novel by Grant, James
- One of three by Smith, George O. (George Oliver)
- One thousand dollars a day. Studies in practical economics by Knapp, Adeline
- One touch of Terra by Bok, Hannes
- One way out : $b A middle-class New-Englander emigrates to America by Bartlett, Frederick Orin
- One-Shot by Blish, James
- One-Way Ticket to Nowhere by Yerxa, Leroy
- Oneness by Schmitz, James H.
- Onesimus: Memoirs of a Disciple of St. Paul by Abbott, Edwin Abbott
- Only a Girl: or, A Physician for the Soul. by Hillern, Wilhelmine von
- Only a farm boy; or, Dan Hardy's rise in life by Webster, Frank V.
- Only a girl's love by Garvice, Charles
- Only an Ensign: A Tale of the Retreat from Cabul, Volume 1 (of 3) by Grant, James
- Only an Ensign: A Tale of the Retreat from Cabul, Volume 2 (of 3) by Grant, James
- Only an Ensign: A Tale of the Retreat from Cabul, Volume 3 (of 3) by Grant, James
- Only an Incident by Litchfield, Grace Denio
- Only an Irish Boy; Or, Andy Burke's Fortunes by Alger, Horatio, Jr.
- Only an Irish Girl by Duchess
- Only one love : $b or, Who was the heir by Garvice, Charles
- Only seven were hanged by Martin, Stuart
- Oogie Finds Love by Livingston, Berkeley
- Oomphel in the Sky by Piper, H. Beam
- Oonomoo the Huron by Ellis, Edward Sylvester
- Oowikapun, or, How the Gospel reached the Nelson River Indians by Young, Egerton Ryerson
- Open Invitation by Fyfe, H. B. (Horace Bowne)
- Opening a Chestnut Burr by Roe, Edward Payson
- Opening the West With Lewis and Clark//By Boat, Horse and Foot Up the Great River Missouri, Across the Stony Mountains and on to the Pacific, When in the Years 1804, 1805, 1806, Young Captain Lewis, the Long Knife, and His Friend Captain Clark, the Red Head Chief, Aided by Sacajawea, the Birdwoman, Conducted Their Little Band of Men Tried and True Through the Unknown New United States by Sabin, Edwin L. (Edwin Legrand)
- Opening the iron trail : $b or, Terry as a "U. Pay." man (a semi-centennial story) by Sabin, Edwin L. (Edwin Legrand)
- Openings in the Old Trail by Harte, Bret
- Operation Boomerang by Revelle, George
- Operation Distress by Del Rey, Lester
- Operation Earthworm by Archibald, Joe
- Operation Haystack by Herbert, Frank
- Operation Interstellar by Smith, George O. (George Oliver)
- Operation Lorelie by Salton, William P.
- Operation R.S.V.P. by Piper, H. Beam
- Operation Terror by Leinster, Murray
- Operation: Outer Space by Leinster, Murray