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- JudaismAuthor: Israel AbrahamsReleased on Project Gutenberg: November 1, 2004
- Jude the ObscureAuthor: Thomas HardyReleased on Project Gutenberg: August 1, 1994
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- Judith of the Godless ValleyAuthor: Honoré MorrowReleased on Project Gutenberg: December 12, 2004
- Judith of the PlainsAuthor: Manning, Marie, -Released on Project Gutenberg: April 6, 2005
- Judith, a Play in Three Acts; Founded on the Apocryphal Book of JudithAuthor: Arnold BennettReleased on Project Gutenberg: July 1, 2004
- JudyAuthor: Temple BaileyReleased on Project Gutenberg: March 14, 2006
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- Jukes-Edwards: A Study in Education and HeredityAuthor: Albert E. (Albert Edward) WinshipReleased on Project Gutenberg: April 14, 2005
- Julia And Her Romeo: A Chronicle Of Castle Barfield: From "Schwartz" by David Christie MurrayAuthor: David Christie MurrayReleased on Project Gutenberg: August 8, 2007
- Julia The ApostateAuthor: Josephine Daskam BaconReleased on Project Gutenberg: November 6, 2007
- Julian HomeAuthor: F. W. (Frederic William) FarrarReleased on Project Gutenberg: October 20, 2007
- Juliana Horatia Ewing And Her BooksAuthor: Horatia K. F. Gatty EdenReleased on Project Gutenberg: November 17, 2005
- Julius CaesarAuthor: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- Julius CaesarAuthor: William ShakespeareReleased on Project Gutenberg: November 1, 1998
- Julius CaesarAuthor: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- Julius CaesarAuthor: William ShakespeareReleased on Project Gutenberg: July 1, 2000
- Jungle Tales of TarzanAuthor: Edgar Rice BurroughsReleased on Project Gutenberg: February 1, 1994
- Jurgen: A Comedy of JusticeAuthor: James Branch CabellReleased on Project Gutenberg: August 1, 2005
- Just DavidAuthor: Eleanor H. (Eleanor Hodgman) PorterReleased on Project Gutenberg: February 1, 1996
- Just FolksAuthor: Edgar A. (Edgar Albert) GuestReleased on Project Gutenberg: June 1, 1997
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- Justice in the By-Ways, a Tale of LifeAuthor: F. Colburn (Francis Colburn) AdamsReleased on Project Gutenberg: January 1, 2004
- KAuthor: Mary Roberts RinehartReleased on Project Gutenberg: February 1, 2006
- Kafir Stories: Seven Short StoriesAuthor: W. C. (William Charles) ScullyReleased on Project Gutenberg: January 31, 2007
- Kai Lung's Golden HoursAuthor: Ernest Bramah, Hilaire BellocReleased on Project Gutenberg: April 1, 1998
- Kalevala : the Epic Poem of Finland — CompleteAuthor: Elias Lönnrot, John Martin CrawfordReleased on Project Gutenberg: February 1, 2004
- Kalevala : the Epic Poem of Finland — Volume 01Author: Elias Lönnrot, John Martin CrawfordReleased on Project Gutenberg: February 1, 2004
- Kalevala : the Epic Poem of Finland — Volume 02Author: Elias Lönnrot, John Martin CrawfordReleased on Project Gutenberg: February 1, 2004
- Kalevala, The Land of the Heroes, Volume OneAuthor: Elias Lönnrot, W. F. (William Forsell) KirbyReleased on Project Gutenberg: July 2, 2008
- Kalitan, Our Little Alaskan CousinAuthor: Nixon-Roulet, Mary F., -Released on Project Gutenberg: November 1, 2003
- Kalli, the Esquimaux Christian: A MemoirAuthor: T. B. (Thomas Boyles) MurrayReleased on Project Gutenberg: June 12, 2007
- Kansas Women in LiteratureAuthor: Nettie Garmer BarkerReleased on Project Gutenberg: July 9, 2008
- Kari the elephantAuthor: Dhan Gopal MukerjiReleased on Project Gutenberg: January 30, 2008
- Karl Ludwig Sand: Celebrated CrimesAuthor: Alexandre DumasReleased on Project Gutenberg: September 22, 2004
- Kate Bonnet: The Romance of a Pirate's DaughterAuthor: Frank R. Stockton, Arthur Ignatius Keller, Harry Spafford PotterReleased on Project Gutenberg: November 12, 2005
- Kate Carnegie and Those MinistersAuthor: Ian MaclarenReleased on Project Gutenberg: January 19, 2007
- Kate Coventry: An AutobiographyAuthor: G. J. (George John) Whyte-MelvilleReleased on Project Gutenberg: June 7, 2007
- Kate Danton, or, Captain Danton's Daughters: A NovelAuthor: May Agnes FlemingReleased on Project Gutenberg: October 9, 2006
- Kate's ordealAuthor: Emma LeslieReleased on Project Gutenberg: January 7, 2007
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- KathleenAuthor: Christopher MorleyReleased on Project Gutenberg: January 1, 2005
- Katie RobertsonAuthor: Winslow, Margaret E.Released on Project Gutenberg: December 10, 2007
- Katrine: A NovelAuthor: Elinor Macartney LaneReleased on Project Gutenberg: December 6, 2004
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- Keeping fit all the wayAuthor: Walter CampReleased on Project Gutenberg: October 1, 2004
- Keeping Up Appearances: Sailor's Knots, Part 12.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: January 1, 2004
- Keeping up with LizzieAuthor: Irving BachellerReleased on Project Gutenberg: March 1, 2004
- Keeping watch [Night watches, Part 2.]Author: W. W. (William Wymark) Jacobs, Davis, Stanley [Illustrator]Released on Project Gutenberg: April 1, 2004
- KeinethAuthor: Jane AbbottReleased on Project Gutenberg: November 1, 2004
- Keith of the Border: A Tale of the PlainsAuthor: Randall ParrishReleased on Project Gutenberg: February 1, 2005
- Kelly Miller's History of the World War for Human RightsAuthor: Kelly MillerReleased on Project Gutenberg: September 4, 2006
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- Kenelm Chillingly — CompleteAuthor: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: November 24, 2004
- Kenelm Chillingly — Volume 01Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005