- The Junior Classics, Volume 6: Old-Fashioned TalesAuthor: William PattenReleased on Project Gutenberg: September 1, 2004
- The Junior Classics, Volume 7: Stories of Courage and HeroismAuthor: William PattenReleased on Project Gutenberg: August 1, 2004
- The Junior Classics, Volume 8: Animal and Nature StoriesAuthor: William PattenReleased on Project Gutenberg: May 1, 2005
- The Just and the UnjustAuthor: Vaughan Kester, M. Leone BrackerReleased on Project Gutenberg: January 3, 2005
- The Justice of the KingAuthor: Hamilton DrummondReleased on Project Gutenberg: February 1, 2008
- The jute industryAuthor: Thomas Woodhouse, Kilgour, PeterReleased on Project Gutenberg: May 1, 2004
- The K-FactorAuthor: Harry HarrisonReleased on Project Gutenberg: September 8, 2007
- The Kangaroo MarinesAuthor: Campbell, R. W.Released on Project Gutenberg: May 12, 2008
- The Kasîdah of Hâjî Abdû El-YezdîAuthor: Burton, Richard Francis, SirReleased on Project Gutenberg: July 1, 2004
- The KeeperAuthor: H. Beam PiperReleased on Project Gutenberg: September 20, 2006
- The Keeper of the DoorAuthor: Ethel M. (Ethel May) DellReleased on Project Gutenberg: February 10, 2005
- The Keepers of the King's PeaceAuthor: Edgar WallaceReleased on Project Gutenberg: June 15, 2008
- The Keepers of the Trail: A Story of the Great WoodsAuthor: Joseph A. (Joseph Alexander) AltshelerReleased on Project Gutenberg: May 25, 2008
- The Keepsake: or, Poems and Pictures for Childhood and YouthAuthor: AnonymousReleased on Project Gutenberg: November 12, 2007
- The Kellys and the O'KellysAuthor: Anthony TrollopeReleased on Project Gutenberg: June 28, 2004
- The Kensington DistrictAuthor: G. E. (Geraldine Edith) Mitton, Walter BesantReleased on Project Gutenberg: May 30, 2007
- The KentonsAuthor: William Dean HowellsReleased on Project Gutenberg: October 24, 2004
- The Kentucky RangerAuthor: Curnick, Edward T.Released on Project Gutenberg: February 19, 2007
- The Key to PeaceAuthor: Miles, Anna MarieReleased on Project Gutenberg: April 1, 2004
- The Khaki Boys over the Top; Or, Doing and Daring for Uncle SamAuthor: Chase, Josephine, -Released on Project Gutenberg: July 20, 2004
- The khaki kook bookAuthor: Mary Kennedy CoreReleased on Project Gutenberg: June 27, 2008
- The KhasisAuthor: P. R. T. (Philip Richard Thornhagh) GurdonReleased on Project Gutenberg: June 30, 2004
- The KillerAuthor: Stewart Edward WhiteReleased on Project Gutenberg: August 24, 2005
- The Kiltartan History BookAuthor: Lady Gregory, William Robert GregoryReleased on Project Gutenberg: February 1, 2004
- The Kiltartan Poetry Book; prose translations from the IrishAuthor: Lady GregoryReleased on Project Gutenberg: October 1, 2004
- The King in YellowAuthor: Robert W. (Robert William) ChambersReleased on Project Gutenberg: July 1, 2005
- The King James BibleReleased on Project Gutenberg: January 1, 2004Language: English
- The King James Version of the BibleReleased on Project Gutenberg: August 1, 1989Language: English
- The King Nobody WantedAuthor: Norman F. Langford, Lear, John [Illustrator]Released on Project Gutenberg: August 20, 2006
- The King Of Beaver, and Beaver Lights: From "Mackinac And Lake Stories", 1899Author: Mary Hartwell CatherwoodReleased on Project Gutenberg: October 30, 2007
- The King of Ireland's SonAuthor: Padraic ColumReleased on Project Gutenberg: October 1, 2002
- The King of Root Valley: and his curious daughterAuthor: Robert Reinick, Oer, T. von [Illustrator], Robert ReinickReleased on Project Gutenberg: May 14, 2008
- The King of the Dark ChamberAuthor: Rabindranath TagoreReleased on Project Gutenberg: September 1, 2004
- The King of the Golden RiverAuthor: John RuskinReleased on Project Gutenberg: October 1, 1996
- The King's AchievementAuthor: Robert Hugh BensonReleased on Project Gutenberg: July 27, 2005
- The King's Arrow: A Tale of the United Empire LoyalistsAuthor: H. A. (Hiram Alfred) CodyReleased on Project Gutenberg: September 15, 2005
- The King's Cup-BearerAuthor: Walton, O. F., Mrs.Released on Project Gutenberg: May 1, 2004
- The King's Daughter and Other Stories for GirlsAuthor: VariousReleased on Project Gutenberg: August 6, 2004
- The King's DaughtersAuthor: Emily Sarah HoltReleased on Project Gutenberg: October 20, 2007
- The King's Esquires; Or, The Jewel of FranceAuthor: George Manville FennReleased on Project Gutenberg: October 20, 2007
- The King's HighwayAuthor: James, G. P. R. (George Payne Rainsford)Released on Project Gutenberg: February 1, 2003
- The King's JackalAuthor: Richard Harding DavisReleased on Project Gutenberg: January 1, 1996
- The King's Men: A Tale of To-morrowAuthor: Robert Grant, John Boyle O'Reilly, Frederic Jesup Stimson, John T. (John Tyler) WheelwrightReleased on Project Gutenberg: August 1, 2006
- The King's MirrorAuthor: Anthony HopeReleased on Project Gutenberg: December 26, 2007
- The King's OwnAuthor: Frederick MarryatReleased on Project Gutenberg: May 21, 2007
- The King's SonsAuthor: George Manville Fenn, T. H. (Thomas Heath) RobinsonReleased on Project Gutenberg: May 4, 2007
- The Kingdom of Heaven; What is it?Author: Edward BurbidgeReleased on Project Gutenberg: March 5, 2008
- The Kingdom of LoveAuthor: Ella Wheeler WilcoxReleased on Project Gutenberg: January 1, 2003
- The Kingdom of the BlindAuthor: E. Phillips (Edward Phillips) OppenheimReleased on Project Gutenberg: September 1, 1998
- The Kingdom Round the Corner: A NovelAuthor: Coningsby Dawson, William Dodge StevensReleased on Project Gutenberg: June 5, 2008
- The kings and queens of England, with other poemsAuthor: Mary Ann H. T. (Mary Ann Hubbard Townsend) BigelowReleased on Project Gutenberg: February 7, 2005
- The Kipling Reader: Selections from the Books of Rudyard KiplingAuthor: Rudyard KiplingReleased on Project Gutenberg: August 21, 2005
- The Kirk on Rutgers FarmAuthor: Frederick Brückbauer, Stone, Pauline [Illustrator]Released on Project Gutenberg: May 2, 2008
- The Kitchen Cat and Other StoriesAuthor: Amy WaltonReleased on Project Gutenberg: March 4, 2008
- The Kitchen Cat, and other TalesAuthor: Amy Walton, Warwick GobleReleased on Project Gutenberg: October 20, 2007
- The Kitten's Garden of VersesAuthor: Oliver HerfordReleased on Project Gutenberg: November 10, 2007
- The Kitáb-i-AqdasAuthor: Bahá'u'lláhReleased on Project Gutenberg: August 13, 2005
- The Kitáb-i-ÍqánAuthor: Bahá'u'lláhReleased on Project Gutenberg: November 2, 2005
- The Knave of DiamondsAuthor: Ethel M. (Ethel May) DellReleased on Project Gutenberg: June 1, 2004
- The Knickerbocker, or New-York Monthly Magazine, April 1844: Volume 23, Number 4Author: Various, Lewis Gaylord ClarkReleased on Project Gutenberg: March 17, 2007